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20033063772 = 22317374361723
BaseRepresentation
bin10010101010000100…
…000100101101011100
31220201010202002012220
4102222010010231130
5312011431020042
613111510025340
71306303142511
oct225204045534
956633662186
1020033063772
118550162357
123a71048250
131b734b32b7
14d80851308
157c3aec8ec
hex4aa104b5c

20033063772 has 96 divisors (see below), whose sum is σ = 52014074112. Its totient is φ = 5972714496.

The previous prime is 20033063761. The next prime is 20033063783. The reversal of 20033063772 is 27736033002.

It is an interprime number because it is at equal distance from previous prime (20033063761) and next prime (20033063783).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293703 + ... + 355425.

It is an arithmetic number, because the mean of its divisors is an integer number (541813272).

Almost surely, 220033063772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20033063772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26007037056).

20033063772 is an abundant number, since it is smaller than the sum of its proper divisors (31981010340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20033063772 is a wasteful number, since it uses less digits than its factorization.

20033063772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61827 (or 61825 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 33.

Adding to 20033063772 its reverse (27736033002), we get a palindrome (47769096774).

The spelling of 20033063772 in words is "twenty billion, thirty-three million, sixty-three thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 17 34 37 43 51 68 74 86 102 111 129 148 172 204 222 258 444 516 629 731 1258 1462 1591 1887 2193 2516 2924 3182 3774 4386 4773 6364 7548 8772 9546 19092 27047 54094 61723 81141 108188 123446 162282 185169 246892 324564 370338 740676 1049291 2098582 2283751 2654089 3147873 4197164 4567502 5308178 6295746 6851253 7962267 9135004 10616356 12591492 13702506 15924534 27405012 31849068 38823767 45119513 77647534 90239026 98201293 116471301 135358539 155295068 180478052 196402586 232942602 270717078 294603879 392805172 465885204 541434156 589207758 1178415516 1669421981 3338843962 5008265943 6677687924 10016531886 20033063772