20554070776 has 16 divisors (see below), whose sum is σ = 38740659840. Its totient is φ = 10223228160.

The previous prime is 20554070767. The next prime is 20554070837. The reversal of 20554070776 is 67707045502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6724281 + ... + 6727336.

It is an arithmetic number, because the mean of its divisors is an integer number (2421291240).

Almost surely, 2^20554070776 is an apocalyptic number.

It is an amenable number.

20554070776 is a deficient number, since it is larger than the sum of its proper divisors (18186589064).

20554070776 is a wasteful number, since it uses less digits than its factorization.

20554070776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451814 (or 13451810 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 43.

The spelling of 20554070776 in words is "twenty billion, five hundred fifty-four million, seventy thousand, seven hundred seventy-six".