20951482 has 16 divisors (see below), whose sum is σ = 32892480. Its totient is φ = 9990112.

The previous prime is 20951477. The next prime is 20951507. The reversal of 20951482 is 28415902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25494 + ... + 26302.

It is an arithmetic number, because the mean of its divisors is an integer number (2055780).

Almost surely, 2^20951482 is an apocalyptic number.

20951482 is a deficient number, since it is larger than the sum of its proper divisors (11940998).

20951482 is a wasteful number, since it uses less digits than its factorization.

20951482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 20951482 is about 4577.2788859758. The cubic root of 20951482 is about 275.6797816017.

The spelling of 20951482 in words is "twenty million, nine hundred fifty-one thousand, four hundred eighty-two".