20696592 has 80 divisors (see below), whose sum is σ = 63107072. Its totient is φ = 5719680.

The previous prime is 20696587. The next prime is 20696699. The reversal of 20696592 is 29569602.

It is a self number, because there is not a number n which added to its sum of digits gives 20696592.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9423 + ... + 11409.

Almost surely, 2^20696592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20696592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31553536).

20696592 is an abundant number, since it is smaller than the sum of its proper divisors (42410480).

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

20696592 is a wasteful number, since it uses less digits than its factorization.

20696592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2030 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 20696592 is about 4549.3507229054. The cubic root of 20696592 is about 274.5572688830.

The spelling of 20696592 in words is "twenty million, six hundred ninety-six thousand, five hundred ninety-two".