100621441430020 has 24 divisors (see below), whose sum is σ = 241491459432384. Its totient is φ = 34498779918816.

The previous prime is 100621441430011. The next prime is 100621441430063. The reversal of 100621441430020 is 20034144126001.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359362290682 + ... + 359362290961.

It is an arithmetic number, because the mean of its divisors is an integer number (10062144143016).

Almost surely, 2^{100621441430020} is an apocalyptic number.

100621441430020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100621441430020 is an abundant number, since it is smaller than the sum of its proper divisors (140870018002364).

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

100621441430020 is a wasteful number, since it uses less digits than its factorization.

100621441430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718724581659 (or 718724581657 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 100621441430020 its reverse (20034144126001), we get a palindrome (120655585556021).

The spelling of 100621441430020 in words is "one hundred trillion, six hundred twenty-one billion, four hundred forty-one million, four hundred thirty thousand, twenty".