20555052 has 24 divisors (see below), whose sum is σ = 54813696. Its totient is φ = 5872848.

The previous prime is 20555009. The next prime is 20555071. The reversal of 20555052 is 25055502.

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, 122268 + ... + 122435.

It is an arithmetic number, because the mean of its divisors is an integer number (2283904).

Almost surely, 2^20555052 is an apocalyptic number.

It is an amenable number.

20555052 is an abundant number, since it is smaller than the sum of its proper divisors (34258644).

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

20555052 is a wasteful number, since it uses less digits than its factorization.

20555052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244717 (or 244715 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 20555052 is about 4533.7679693606. The cubic root of 20555052 is about 273.9299552782.

The spelling of 20555052 in words is "twenty million, five hundred fifty-five thousand, fifty-two".