20085450742152 has 96 divisors (see below), whose sum is σ = 54674309228760. Its totient is φ = 6661226880000.

The previous prime is 20085450742139. The next prime is 20085450742163. The reversal of 20085450742152 is 25124705458002.

20085450742152 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 5 + 450 + 7 + 42 + 152 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16885738319076 + 3199712423076 = 4109226^2 + 1788774^2 .

It is a super-2 number, since 2×20085450742152² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20085450742098 and 20085450742107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12622402 + ... + 14124302.

Almost surely, 2^{20085450742152} is an apocalyptic number.

It is an amenable number.

20085450742152 is an abundant number, since it is smaller than the sum of its proper divisors (34588858486608).

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

20085450742152 is a wasteful number, since it uses less digits than its factorization.

20085450742152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502855 (or 1502848 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 20085450742152 in words is "twenty trillion, eighty-five billion, four hundred fifty million, seven hundred forty-two thousand, one hundred fifty-two".