20055100552 has 32 divisors (see below), whose sum is σ = 39974371200. Its totient is φ = 9405720000.

The previous prime is 20055100547. The next prime is 20055100567. The reversal of 20055100552 is 25500155002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637824 + ... + 668527.

It is an arithmetic number, because the mean of its divisors is an integer number (1249199100).

Almost surely, 2^20055100552 is an apocalyptic number.

It is an amenable number.

20055100552 is a deficient number, since it is larger than the sum of its proper divisors (19919270648).

20055100552 is a wasteful number, since it uses less digits than its factorization.

20055100552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306477 (or 1306473 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

Adding to 20055100552 its reverse (25500155002), we get a palindrome (45555255554).

The spelling of 20055100552 in words is "twenty billion, fifty-five million, one hundred thousand, five hundred fifty-two".