20120107674042 has 24 divisors (see below), whose sum is σ = 44308215262740. Its totient is φ = 6596756614080.

The previous prime is 20120107673983. The next prime is 20120107674067. The reversal of 20120107674042 is 24047670102102.

20120107674042 is a `hidden beast` number, since 20 + 120 + 107 + 6 + 7 + 404 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19466546992281 + 653560681761 = 4412091^2 + 808431^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20120107673988 and 20120107674006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9162160867 + ... + 9162163062.

Almost surely, 2^{20120107674042} is an apocalyptic number.

20120107674042 is an abundant number, since it is smaller than the sum of its proper divisors (24188107588698).

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

20120107674042 is a wasteful number, since it uses less digits than its factorization.

20120107674042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18324323998 (or 18324323995 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

Adding to 20120107674042 its reverse (24047670102102), we get a palindrome (44167777776144).

The spelling of 20120107674042 in words is "twenty trillion, one hundred twenty billion, one hundred seven million, six hundred seventy-four thousand, forty-two".