20958192 has 30 divisors (see below), whose sum is σ = 58654232. Its totient is φ = 6986016.

The previous prime is 20958181. The next prime is 20958211. The reversal of 20958192 is 29185902.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72628 + ... + 72915.

Almost surely, 2^20958192 is an apocalyptic number.

It is an amenable number.

20958192 is an abundant number, since it is smaller than the sum of its proper divisors (37696040).

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

20958192 is a wasteful number, since it uses less digits than its factorization.

20958192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145557 (or 145548 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 20958192 is about 4578.0117955287. The cubic root of 20958192 is about 275.7092085398.

The spelling of 20958192 in words is "twenty million, nine hundred fifty-eight thousand, one hundred ninety-two".