20960951 has 12 divisors (see below), whose sum is σ = 23177112. Its totient is φ = 18942000.

The previous prime is 20960941. The next prime is 20960957. The reversal of 20960951 is 15906902.

It is not a de Polignac number, because 20960951 - 2⁶ = 20960887 is a prime.

It is a super-2 number, since 2×20960951² = 878722933648802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20960957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25121 + ... + 25941.

It is an arithmetic number, because the mean of its divisors is an integer number (1931426).

Almost surely, 2^20960951 is an apocalyptic number.

20960951 is a deficient number, since it is larger than the sum of its proper divisors (2216161).

20960951 is a wasteful number, since it uses less digits than its factorization.

20960951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 20960951 is about 4578.3131172955. The cubic root of 20960951 is about 275.7213064079.

The spelling of 20960951 in words is "twenty million, nine hundred sixty thousand, nine hundred fifty-one".