20312650650632 has 8 divisors (see below), whose sum is σ = 38086219969950. Its totient is φ = 10156325325312.

The previous prime is 20312650650623. The next prime is 20312650650671. The reversal of 20312650650632 is 23605605621302.

It can be written as a sum of positive squares in only one way, i.e., 10665750095716 + 9646900554916 = 3265846^2 + 3105946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20312650650632² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20312650650632.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269540665657 + ... + 1269540665672.

Almost surely, 2^{20312650650632} is an apocalyptic number.

It is an amenable number.

20312650650632 is a deficient number, since it is larger than the sum of its proper divisors (17773569319318).

20312650650632 is a wasteful number, since it uses less digits than its factorization.

20312650650632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539081331335 (or 2539081331331 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 20312650650632 in words is "twenty trillion, three hundred twelve billion, six hundred fifty million, six hundred fifty thousand, six hundred thirty-two".