20651651062 has 32 divisors (see below), whose sum is σ = 35739777024. Its totient is φ = 8766576000.

The previous prime is 20651651039. The next prime is 20651651081. The reversal of 20651651062 is 26015615602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3083137 + ... + 3089827.

It is an arithmetic number, because the mean of its divisors is an integer number (1116868032).

Almost surely, 2^20651651062 is an apocalyptic number.

20651651062 is a deficient number, since it is larger than the sum of its proper divisors (15088125962).

20651651062 is a wasteful number, since it uses less digits than its factorization.

20651651062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8764.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 20651651062 in words is "twenty billion, six hundred fifty-one million, six hundred fifty-one thousand, sixty-two".