20955702 has 16 divisors (see below), whose sum is σ = 42803712. Its totient is φ = 6836520.

The previous prime is 20955667. The next prime is 20955707. The reversal of 20955702 is 20755902.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20955702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20955707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36874 + ... + 37437.

It is an arithmetic number, because the mean of its divisors is an integer number (2675232).

Almost surely, 2^20955702 is an apocalyptic number.

20955702 is an abundant number, since it is smaller than the sum of its proper divisors (21848010).

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

20955702 is a wasteful number, since it uses less digits than its factorization.

20955702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74363.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 20955702 is about 4577.7398353336. The cubic root of 20955702 is about 275.6982892913.

The spelling of 20955702 in words is "twenty million, nine hundred fifty-five thousand, seven hundred two".