102022120020 has 48 divisors (see below), whose sum is σ = 285682275648. Its totient is φ = 27203961600.

The previous prime is 102022119977. The next prime is 102022120063. The reversal of 102022120020 is 20021220201.

It is an interprime number because it is at equal distance from previous prime (102022119977) and next prime (102022120063).

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 = 102022119978 and 102022120005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920595 + ... + 1025445.

It is an arithmetic number, because the mean of its divisors is an integer number (5951714076).

Almost surely, 2^102022120020 is an apocalyptic number.

102022120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102022120020 is an abundant number, since it is smaller than the sum of its proper divisors (183660155628).

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

102022120020 is a wasteful number, since it uses less digits than its factorization.

102022120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121080 (or 121078 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102022120020 its reverse (20021220201), we get a palindrome (122043340221).

The spelling of 102022120020 in words is "one hundred two billion, twenty-two million, one hundred twenty thousand, twenty".