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20090339472 = 2437219449569
BaseRepresentation
bin10010101101011110…
…100100000010010000
31220212010111222201010
4102231132210002100
5312121111330342
613121313410520
71310600032200
oct225536440220
956763458633
1020090339472
11857a522445
123a88269a40
131b82318248
14d882c0400
157c8b6329c
hex4ad7a4090

20090339472 has 120 divisors (see below), whose sum is σ = 63551215200. Its totient is φ = 5437974528.

The previous prime is 20090339461. The next prime is 20090339497. The reversal of 20090339472 is 27493309002.

It is a super-3 number, since 3×200903394723 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20090339472.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180097 + ... + 269472.

It is an arithmetic number, because the mean of its divisors is an integer number (529593460).

Almost surely, 220090339472 is an apocalyptic number.

It is an amenable number.

20090339472 is an abundant number, since it is smaller than the sum of its proper divisors (43460875728).

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

20090339472 is a wasteful number, since it uses less digits than its factorization.

20090339472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449613 (or 449600 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 20090339472 in words is "twenty billion, ninety million, three hundred thirty-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 49 56 57 76 84 98 112 114 133 147 152 168 196 228 266 294 304 336 392 399 456 532 588 784 798 912 931 1064 1176 1596 1862 2128 2352 2793 3192 3724 5586 6384 7448 11172 14896 22344 44688 449569 899138 1348707 1798276 2697414 3146983 3596552 5394828 6293966 7193104 8541811 9440949 10789656 12587932 17083622 18881898 21579312 22028881 25175864 25625433 34167244 37763796 44057762 50351728 51250866 59792677 66086643 68334488 75527592 88115524 102501732 119585354 132173286 136668976 151055184 176231048 179378031 205003464 239170708 264346572 352462096 358756062 410006928 418548739 478341416 528693144 717512124 837097478 956682832 1057386288 1255646217 1435024248 1674194956 2511292434 2870048496 3348389912 5022584868 6696779824 10045169736 20090339472