100230220020 has 48 divisors (see below), whose sum is σ = 320736705408. Its totient is φ = 22909764480.

The previous prime is 100230219997. The next prime is 100230220061. The reversal of 100230220020 is 20022032001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100230219978 and 100230220005.

It is a congruent 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, 119321271 + ... + 119322110.

It is an arithmetic number, because the mean of its divisors is an integer number (6682014696).

Almost surely, 2^100230220020 is an apocalyptic number.

100230220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100230220020 is an abundant number, since it is smaller than the sum of its proper divisors (220506485388).

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

100230220020 is a wasteful number, since it uses less digits than its factorization.

100230220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238643400 (or 238643398 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 100230220020 its reverse (20022032001), we get a palindrome (120252252021).

The spelling of 100230220020 in words is "one hundred billion, two hundred thirty million, two hundred twenty thousand, twenty".