20696952 has 64 divisors (see below), whose sum is σ = 54172800. Its totient is φ = 6581120.

The previous prime is 20696911. The next prime is 20696953. The reversal of 20696952 is 25969602.

It is a self number, because there is not a number n which added to its sum of digits gives 20696952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20696953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91063 + ... + 91289.

It is an arithmetic number, because the mean of its divisors is an integer number (846450).

Almost surely, 2^20696952 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 20696952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27086400).

20696952 is an abundant number, since it is smaller than the sum of its proper divisors (33475848).

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

20696952 is a wasteful number, since it uses less digits than its factorization.

20696952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 392 counting only the distinct ones).

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

The square root of 20696952 is about 4549.3902888189. The cubic root of 20696952 is about 274.5588607722.

The spelling of 20696952 in words is "twenty million, six hundred ninety-six thousand, nine hundred fifty-two".