20455514504 has 16 divisors (see below), whose sum is σ = 38427713820. Its totient is φ = 10208124160.

The previous prime is 20455514479. The next prime is 20455514533. The reversal of 20455514504 is 40541555402.

It can be written as a sum of positive squares in 2 ways, for example, as 20136177604 + 319336900 = 141902^2 + 17870^2 .

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, 2449709 + ... + 2458044.

Almost surely, 2^20455514504 is an apocalyptic number.

It is an amenable number.

20455514504 is a deficient number, since it is larger than the sum of its proper divisors (17972199316).

20455514504 is a wasteful number, since it uses less digits than its factorization.

20455514504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908280 (or 4908276 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 20455514504 in words is "twenty billion, four hundred fifty-five million, five hundred fourteen thousand, five hundred four".