20634861962 has 32 divisors (see below), whose sum is σ = 36379796544. Its totient is φ = 8654112000.

The previous prime is 20634861941. The next prime is 20634862009. The reversal of 20634861962 is 26916843602.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676337 + ... + 706187.

It is an arithmetic number, because the mean of its divisors is an integer number (1136868642).

Almost surely, 2^20634861962 is an apocalyptic number.

20634861962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20634861962 is a deficient number, since it is larger than the sum of its proper divisors (15744934582).

20634861962 is a wasteful number, since it uses less digits than its factorization.

20634861962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32294.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 20634861962 in words is "twenty billion, six hundred thirty-four million, eight hundred sixty-one thousand, nine hundred sixty-two".