20052570 has 32 divisors (see below), whose sum is σ = 48741120. Its totient is φ = 5279040.

The previous prime is 20052559. The next prime is 20052583. The reversal of 20052570 is 7525002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861 + ... + 6600.

It is an arithmetic number, because the mean of its divisors is an integer number (1523160).

Almost surely, 2^20052570 is an apocalyptic number.

20052570 is an abundant number, since it is smaller than the sum of its proper divisors (28688550).

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

20052570 is a wasteful number, since it uses less digits than its factorization.

20052570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 20052570 is about 4478.0096024908. The cubic root of 20052570 is about 271.6793818096.

Adding to 20052570 its reverse (7525002), we get a palindrome (27577572).

The spelling of 20052570 in words is "twenty million, fifty-two thousand, five hundred seventy".