20361641630 has 96 divisors (see below), whose sum is σ = 41184460800. Its totient is φ = 7240432320.

The previous prime is 20361641627. The next prime is 20361641653. The reversal of 20361641630 is 3614616302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15919331 + ... + 15920609.

It is an arithmetic number, because the mean of its divisors is an integer number (429004800).

Almost surely, 2^20361641630 is an apocalyptic number.

20361641630 is an abundant number, since it is smaller than the sum of its proper divisors (20822819170).

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

20361641630 is a wasteful number, since it uses less digits than its factorization.

20361641630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 20361641630 in words is "twenty billion, three hundred sixty-one million, six hundred forty-one thousand, six hundred thirty".