20770746283554 has 16 divisors (see below), whose sum is σ = 41544177525792. Its totient is φ = 6923134601408.

The previous prime is 20770746283537. The next prime is 20770746283591. The reversal of 20770746283554 is 45538264707702.

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, 111772704 + ... + 111958379.

It is an arithmetic number, because the mean of its divisors is an integer number (2596511095362).

Almost surely, 2^{20770746283554} is an apocalyptic number.

20770746283554 is an abundant number, since it is smaller than the sum of its proper divisors (20773431242238).

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

20770746283554 is a wasteful number, since it uses less digits than its factorization.

20770746283554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223746561.

The product of its (nonzero) digits is 79027200, while the sum is 60.

The spelling of 20770746283554 in words is "twenty trillion, seven hundred seventy billion, seven hundred forty-six million, two hundred eighty-three thousand, five hundred fifty-four".