641332020102 has 32 divisors (see below), whose sum is σ = 1348970913792. Its totient is φ = 202872567744.

The previous prime is 641332020097. The next prime is 641332020137. The reversal of 641332020102 is 201020233146.

It is a super-2 number, since 2×641332020102² (a number of 24 digits) contains 22 as substring.

It is a congruent 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, 18279063 + ... + 18314114.

It is an arithmetic number, because the mean of its divisors is an integer number (42155341056).

Almost surely, 2^641332020102 is an apocalyptic number.

641332020102 is an abundant number, since it is smaller than the sum of its proper divisors (707638893690).

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

641332020102 is a wasteful number, since it uses less digits than its factorization.

641332020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36593332.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 641332020102 its reverse (201020233146), we get a palindrome (842352253248).

The spelling of 641332020102 in words is "six hundred forty-one billion, three hundred thirty-two million, twenty thousand, one hundred two".