20822976 has 42 divisors (see below), whose sum is σ = 59686952. Its totient is φ = 6940800.

The previous prime is 20822969. The next prime is 20822987. The reversal of 20822976 is 67922802.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20822976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17500 + ... + 18651.

Almost surely, 2^20822976 is an apocalyptic number.

It is an amenable number.

20822976 is an abundant number, since it is smaller than the sum of its proper divisors (38863976).

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

20822976 is a wasteful number, since it uses less digits than its factorization.

20822976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36169 (or 36156 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20822976 is about 4563.2199158051. The cubic root of 20822976 is about 275.1149976344.

The spelling of 20822976 in words is "twenty million, eight hundred twenty-two thousand, nine hundred seventy-six".