20955150 has 36 divisors (see below), whose sum is σ = 56300712. Its totient is φ = 5587920.

The previous prime is 20955133. The next prime is 20955167. The reversal of 20955150 is 5155902.

It is an interprime number because it is at equal distance from previous prime (20955133) and next prime (20955167).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22834 + ... + 23733.

Almost surely, 2^20955150 is an apocalyptic number.

20955150 is an abundant number, since it is smaller than the sum of its proper divisors (35345562).

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

20955150 is a wasteful number, since it uses less digits than its factorization.

20955150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46585 (or 46577 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 20955150 is about 4577.6795431747. The cubic root of 20955150 is about 275.6958685215.

The spelling of 20955150 in words is "twenty million, nine hundred fifty-five thousand, one hundred fifty".