20950260 has 24 divisors (see below), whose sum is σ = 58660896. Its totient is φ = 5586720.

The previous prime is 20950249. The next prime is 20950271. The reversal of 20950260 is 6205902.

It is an interprime number because it is at equal distance from previous prime (20950249) and next prime (20950271).

It is a self number, because there is not a number n which added to its sum of digits gives 20950260.

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, 174526 + ... + 174645.

It is an arithmetic number, because the mean of its divisors is an integer number (2444204).

Almost surely, 2^20950260 is an apocalyptic number.

20950260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20950260 is an abundant number, since it is smaller than the sum of its proper divisors (37710636).

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

20950260 is a wasteful number, since it uses less digits than its factorization.

20950260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349183 (or 349181 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20950260 is about 4577.1453986082. The cubic root of 20950260 is about 275.6744218019.

The spelling of 20950260 in words is "twenty million, nine hundred fifty thousand, two hundred sixty".