20770613474 has 16 divisors (see below), whose sum is σ = 33554988600. Its totient is φ = 9585734400.

The previous prime is 20770613467. The next prime is 20770613491. The reversal of 20770613474 is 47431607702.

It can be written as a sum of positive squares in 4 ways, for example, as 6529771249 + 14240842225 = 80807^2 + 119335^2 .

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, 544424 + ... + 581324.

Almost surely, 2^20770613474 is an apocalyptic number.

20770613474 is a deficient number, since it is larger than the sum of its proper divisors (12784375126).

20770613474 is a wasteful number, since it uses less digits than its factorization.

20770613474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58565.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 20770613474 in words is "twenty billion, seven hundred seventy million, six hundred thirteen thousand, four hundred seventy-four".