20554751104 has 16 divisors (see below), whose sum is σ = 40948918470. Its totient is φ = 10277375488.

The previous prime is 20554751099. The next prime is 20554751207. The reversal of 20554751104 is 40115745502.

It can be written as a sum of positive squares in only one way, i.e., 19276545600 + 1278205504 = 138840^2 + 35752^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 20554751104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80291869 + ... + 80292124.

Almost surely, 2^20554751104 is an apocalyptic number.

It is an amenable number.

20554751104 is a deficient number, since it is larger than the sum of its proper divisors (20394167366).

20554751104 is an equidigital number, since it uses as much as digits as its factorization.

20554751104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160584007 (or 160583995 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 20554751104 in words is "twenty billion, five hundred fifty-four million, seven hundred fifty-one thousand, one hundred four".