20750958 has 16 divisors (see below), whose sum is σ = 46113360. Its totient is φ = 6916968.

The previous prime is 20750953. The next prime is 20750959. The reversal of 20750958 is 85905702.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192085 + ... + 192192.

It is an arithmetic number, because the mean of its divisors is an integer number (2882085).

Almost surely, 2^20750958 is an apocalyptic number.

20750958 is an abundant number, since it is smaller than the sum of its proper divisors (25362402).

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

20750958 is a wasteful number, since it uses less digits than its factorization.

20750958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384288 (or 384282 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 20750958 is about 4555.3219425195. The cubic root of 20750958 is about 274.7974618861.

The spelling of 20750958 in words is "twenty million, seven hundred fifty thousand, nine hundred fifty-eight".