20952696 has 64 divisors (see below), whose sum is σ = 54489600. Its totient is φ = 6709248.

The previous prime is 20952691. The next prime is 20952697. The reversal of 20952696 is 69625902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20952691) 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, 81400 + ... + 81656.

It is an arithmetic number, because the mean of its divisors is an integer number (851400).

Almost surely, 2^20952696 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 20952696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27244800).

20952696 is an abundant number, since it is smaller than the sum of its proper divisors (33536904).

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

20952696 is a wasteful number, since it uses less digits than its factorization.

20952696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 384 counting only the distinct ones).

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

The square root of 20952696 is about 4577.4114955944. The cubic root of 20952696 is about 275.6851061063.

The spelling of 20952696 in words is "twenty million, nine hundred fifty-two thousand, six hundred ninety-six".