20052870 has 32 divisors (see below), whose sum is σ = 48584448. Its totient is φ = 5296608.

The previous prime is 20052869. The next prime is 20052889. The reversal of 20052870 is 7825002.

It is a self number, because there is not a number n which added to its sum of digits gives 20052870.

It is a congruent 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, 87 + ... + 6333.

It is an arithmetic number, because the mean of its divisors is an integer number (1518264).

Almost surely, 2^20052870 is an apocalyptic number.

20052870 is an abundant number, since it is smaller than the sum of its proper divisors (28531578).

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

20052870 is a wasteful number, since it uses less digits than its factorization.

20052870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 20052870 is about 4478.0430993906. The cubic root of 20052870 is about 271.6807366386.

Adding to 20052870 its reverse (7825002), we get a palindrome (27877872).

The spelling of 20052870 in words is "twenty million, fifty-two thousand, eight hundred seventy".