20627505681074 has 16 divisors (see below), whose sum is σ = 33061895242200. Its totient is φ = 9618005885184.

The previous prime is 20627505681053. The next prime is 20627505681137. The reversal of 20627505681074 is 47018650572602.

It can be written as a sum of positive squares in 4 ways, for example, as 19826403709225 + 801101971849 = 4452685^2 + 895043^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782984109 + ... + 2782991520.

Almost surely, 2^{20627505681074} is an apocalyptic number.

20627505681074 is a deficient number, since it is larger than the sum of its proper divisors (12434389561126).

20627505681074 is a wasteful number, since it uses less digits than its factorization.

20627505681074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565975757.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 20627505681074 in words is "twenty trillion, six hundred twenty-seven billion, five hundred five million, six hundred eighty-one thousand, seventy-four".