20952150 has 24 divisors (see below), whose sum is σ = 51961704. Its totient is φ = 5587200.

The previous prime is 20952091. The next prime is 20952161. The reversal of 20952150 is 5125902.

It is a self number, because there is not a number n which added to its sum of digits gives 20952150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69691 + ... + 69990.

It is an arithmetic number, because the mean of its divisors is an integer number (2165071).

Almost surely, 2^20952150 is an apocalyptic number.

20952150 is an abundant number, since it is smaller than the sum of its proper divisors (31009554).

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

20952150 is a wasteful number, since it uses less digits than its factorization.

20952150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139696 (or 139691 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 20952150 is about 4577.3518545115. The cubic root of 20952150 is about 275.6827114204.

The spelling of 20952150 in words is "twenty million, nine hundred fifty-two thousand, one hundred fifty".