102220221010020 has 96 divisors (see below), whose sum is σ = 303324203564928. Its totient is φ = 25632302856192.

The previous prime is 102220221010009. The next prime is 102220221010027. The reversal of 102220221010020 is 20010122022201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (102220221010027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43720062 + ... + 45998741.

It is an arithmetic number, because the mean of its divisors is an integer number (3159627120468).

Almost surely, 2^{102220221010020} is an apocalyptic number.

102220221010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220221010020 is an abundant number, since it is smaller than the sum of its proper divisors (201103982554908).

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

102220221010020 is a wasteful number, since it uses less digits than its factorization.

102220221010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89719949 (or 89719947 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102220221010020 its reverse (20010122022201), we get a palindrome (122230343032221).

The spelling of 102220221010020 in words is "one hundred two trillion, two hundred twenty billion, two hundred twenty-one million, ten thousand, twenty".