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20733704024 = 231112714912451
BaseRepresentation
bin10011010011110100…
…110011011101011000
31222111222010021221212
4103103310303131120
5314430312012044
613305215122252
71332541401455
oct232364633530
958458107855
1020733704024
11887a6a9790
124027813388
131c556b7c27
14100991482c
15815399a9e
hex4d3d33758

20733704024 has 64 divisors (see below), whose sum is σ = 43034112000. Its totient is φ = 9286704000.

The previous prime is 20733704011. The next prime is 20733704051. The reversal of 20733704024 is 42040733702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658999 + ... + 1671449.

It is an arithmetic number, because the mean of its divisors is an integer number (672408000).

Almost surely, 220733704024 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 20733704024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21517056000).

20733704024 is an abundant number, since it is smaller than the sum of its proper divisors (22300407976).

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

20733704024 is a wasteful number, since it uses less digits than its factorization.

20733704024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744 (or 12740 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The spelling of 20733704024 in words is "twenty billion, seven hundred thirty-three million, seven hundred four thousand, twenty-four".

Divisors: 1 2 4 8 11 22 44 88 127 149 254 298 508 596 1016 1192 1397 1639 2794 3278 5588 6556 11176 12451 13112 18923 24902 37846 49804 75692 99608 136961 151384 208153 273922 416306 547844 832612 1095688 1581277 1665224 1855199 3162554 3710398 6325108 7420796 12650216 14841592 17394047 20407189 34788094 40814378 69576188 81628756 139152376 163257512 235610273 471220546 942441092 1884882184 2591713003 5183426006 10366852012 20733704024