100420414220 has 24 divisors (see below), whose sum is σ = 241008994464. Its totient is φ = 34429856256.

The previous prime is 100420414217. The next prime is 100420414301. The reversal of 100420414220 is 22414024001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100420414192 and 100420414201.

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, 358644197 + ... + 358644476.

It is an arithmetic number, because the mean of its divisors is an integer number (10042041436).

Almost surely, 2^100420414220 is an apocalyptic number.

100420414220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100420414220 is an abundant number, since it is smaller than the sum of its proper divisors (140588580244).

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

100420414220 is a wasteful number, since it uses less digits than its factorization.

100420414220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717288689 (or 717288687 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100420414220 its reverse (22414024001), we get a palindrome (122834438221).

The spelling of 100420414220 in words is "one hundred billion, four hundred twenty million, four hundred fourteen thousand, two hundred twenty".