102022011020 has 48 divisors (see below), whose sum is σ = 221667636960. Its totient is φ = 39395629056.

The previous prime is 102022010989. The next prime is 102022011023. The reversal of 102022011020 is 20110220201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102022010992 and 102022011010.

It is not an unprimeable number, because it can be changed into a prime (102022011023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6907964 + ... + 6922716.

It is an arithmetic number, because the mean of its divisors is an integer number (4618075770).

Almost surely, 2^102022011020 is an apocalyptic number.

102022011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102022011020 is an abundant number, since it is smaller than the sum of its proper divisors (119645625940).

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

102022011020 is a wasteful number, since it uses less digits than its factorization.

102022011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26714 (or 26712 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102022011020 its reverse (20110220201), we get a palindrome (122132231221).

The spelling of 102022011020 in words is "one hundred two billion, twenty-two million, eleven thousand, twenty".