101220023320 has 64 divisors (see below), whose sum is σ = 246681832320. Its totient is φ = 37157481984.

The previous prime is 101220023287. The next prime is 101220023351. The reversal of 101220023320 is 23320022101.

It is a junction number, because it is equal to n+sod(n) for n = 101220023294 and 101220023303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472624 + ... + 652543.

It is an arithmetic number, because the mean of its divisors is an integer number (3854403630).

Almost surely, 2^101220023320 is an apocalyptic number.

101220023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220023320 is an abundant number, since it is smaller than the sum of its proper divisors (145461809000).

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

101220023320 is a wasteful number, since it uses less digits than its factorization.

101220023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125364 (or 1125360 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 101220023320 its reverse (23320022101), we get a palindrome (124540045421).

The spelling of 101220023320 in words is "one hundred one billion, two hundred twenty million, twenty-three thousand, three hundred twenty".