20752316 has 24 divisors (see below), whose sum is σ = 40023984. Its totient is φ = 9354240.

The previous prime is 20752307. The next prime is 20752327. The reversal of 20752316 is 61325702.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 2405 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (1667666).

Almost surely, 2^20752316 is an apocalyptic number.

20752316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20752316 is a deficient number, since it is larger than the sum of its proper divisors (19271668).

20752316 is a wasteful number, since it uses less digits than its factorization.

20752316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341 (or 9339 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 20752316 is about 4555.4709965052. The cubic root of 20752316 is about 274.8034562570.

The spelling of 20752316 in words is "twenty million, seven hundred fifty-two thousand, three hundred sixteen".