20362607646 has 32 divisors (see below), whose sum is σ = 40883971968. Its totient is φ = 6761129760.

The previous prime is 20362607609. The next prime is 20362607669. The reversal of 20362607646 is 64670626302.

It is a happy number.

It is a super-2 number, since 2×20362607646² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20362607598 and 20362607607.

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, 1652460 + ... + 1664736.

It is an arithmetic number, because the mean of its divisors is an integer number (1277624124).

Almost surely, 2^20362607646 is an apocalyptic number.

20362607646 is an abundant number, since it is smaller than the sum of its proper divisors (20521364322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20362607646 is a wasteful number, since it uses less digits than its factorization.

20362607646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13336.

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 20362607646 in words is "twenty billion, three hundred sixty-two million, six hundred seven thousand, six hundred forty-six".