20992482 has 36 divisors (see below), whose sum is σ = 52911846. Its totient is φ = 5997600.

The previous prime is 20992469. The next prime is 20992493. The reversal of 20992482 is 28429902.

It can be written as a sum of positive squares in only one way, i.e., 15752961 + 5239521 = 3969^2 + 2289^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11019 + ... + 12782.

Almost surely, 2^20992482 is an apocalyptic number.

20992482 is an abundant number, since it is smaller than the sum of its proper divisors (31919364).

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

20992482 is a wasteful number, since it uses less digits than its factorization.

20992482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23823 (or 23813 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 20992482 is about 4581.7553404781. The cubic root of 20992482 is about 275.8594905467.

The spelling of 20992482 in words is "twenty million, nine hundred ninety-two thousand, four hundred eighty-two".