20896662 has 16 divisors (see below), whose sum is σ = 41841072. Its totient is φ = 6957600.

The previous prime is 20896657. The next prime is 20896663. The reversal of 20896662 is 26669802.

It is a self number, because there is not a number n which added to its sum of digits gives 20896662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20896663) 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, 6468 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (2615067).

Almost surely, 2^20896662 is an apocalyptic number.

20896662 is an abundant number, since it is smaller than the sum of its proper divisors (20944410).

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

20896662 is a wasteful number, since it uses less digits than its factorization.

20896662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 20896662 is about 4571.2866897625. The cubic root of 20896662 is about 275.4391309120.

The spelling of 20896662 in words is "twenty million, eight hundred ninety-six thousand, six hundred sixty-two".