20239370 has 32 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 7459776.

The previous prime is 20239337. The next prime is 20239381. The reversal of 20239370 is 7393202.

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, 5591 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 2^20239370 is an apocalyptic number.

20239370 is a deficient number, since it is larger than the sum of its proper divisors (19159030).

20239370 is a wasteful number, since it uses less digits than its factorization.

20239370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 20239370 is about 4498.8187338456. The cubic root of 20239370 is about 272.5203867698.

The spelling of 20239370 in words is "twenty million, two hundred thirty-nine thousand, three hundred seventy".