20239750 has 32 divisors (see below), whose sum is σ = 39892320. Its totient is φ = 7668000.

The previous prime is 20239733. The next prime is 20239763. The reversal of 20239750 is 5793202.

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, 2620 + ... + 6880.

It is an arithmetic number, because the mean of its divisors is an integer number (1246635).

Almost surely, 2^20239750 is an apocalyptic number.

20239750 is a deficient number, since it is larger than the sum of its proper divisors (19652570).

20239750 is a wasteful number, since it uses less digits than its factorization.

20239750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 20239750 is about 4498.8609669560. The cubic root of 20239750 is about 272.5220923087.

The spelling of 20239750 in words is "twenty million, two hundred thirty-nine thousand, seven hundred fifty".