100420443625 has 16 divisors (see below), whose sum is σ = 125493503616. Its totient is φ = 80228156400.

The previous prime is 100420443581. The next prime is 100420443637. The reversal of 100420443625 is 526344024001.

It is not a de Polignac number, because 100420443625 - 2¹¹ = 100420441577 is a prime.

It is a Duffinian 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, 447747 + ... + 633496.

It is an arithmetic number, because the mean of its divisors is an integer number (7843343976).

Almost surely, 2^100420443625 is an apocalyptic number.

It is an amenable number.

100420443625 is a deficient number, since it is larger than the sum of its proper divisors (25073059991).

100420443625 is an equidigital number, since it uses as much as digits as its factorization.

100420443625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082001 (or 1081991 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 100420443625 its reverse (526344024001), we get a palindrome (626764467626).

The spelling of 100420443625 in words is "one hundred billion, four hundred twenty million, four hundred forty-three thousand, six hundred twenty-five".