20954442962 has 16 divisors (see below), whose sum is σ = 31515204600. Its totient is φ = 10449395712.

The previous prime is 20954442959. The next prime is 20954442983. The reversal of 20954442962 is 26924445902.

It can be written as a sum of positive squares in 4 ways, for example, as 13858233841 + 7096209121 = 117721^2 + 84239^2 .

It is a super-2 number, since 2×20954442962² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295178 + ... + 3301530.

Almost surely, 2^20954442962 is an apocalyptic number.

20954442962 is a deficient number, since it is larger than the sum of its proper divisors (10560761638).

20954442962 is a wasteful number, since it uses less digits than its factorization.

20954442962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 20954442962 in words is "twenty billion, nine hundred fifty-four million, four hundred forty-two thousand, nine hundred sixty-two".