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20120474602944 = 26377912371471
BaseRepresentation
bin1001001001100101010011…
…01111011100110111000000
32122020111110110200110000000
410210302221233130313000
510114123212444243234
6110443115103000000
74144441055163222
oct444625157346700
978214413613000
1020120474602944
1164580554123a1
12230b596299000
13b2c477900341
144d7b9c628412
1524d5a6839899
hex124ca9bdcdc0

20120474602944 has 448 divisors, whose sum is σ = 60728982732800. Its totient is φ = 6612077122560.

The previous prime is 20120474602909. The next prime is 20120474603003. The reversal of 20120474602944 is 44920647402102.

20120474602944 is a `hidden beast` number, since 2 + 0 + 120 + 4 + 7 + 460 + 29 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20120474602944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13678092129 + ... + 13678093599.

Almost surely, 220120474602944 is an apocalyptic number.

20120474602944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120474602944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30364491366400).

20120474602944 is an abundant number, since it is smaller than the sum of its proper divisors (40608508129856).

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

20120474602944 is an equidigital number, since it uses as much as digits as its factorization.

20120474602944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 20120474602944 in words is "twenty trillion, one hundred twenty billion, four hundred seventy-four million, six hundred two thousand, nine hundred forty-four".