102022321020 has 96 divisors (see below), whose sum is σ = 287679168000. Its totient is φ = 27014448384.

The previous prime is 102022320991. The next prime is 102022321021. The reversal of 102022321020 is 20123220201.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022321021) 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, 6069067 + ... + 6085853.

It is an arithmetic number, because the mean of its divisors is an integer number (2996658000).

Almost surely, 2^102022321020 is an apocalyptic number.

102022321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102022321020 is an abundant number, since it is smaller than the sum of its proper divisors (185656846980).

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

102022321020 is a wasteful number, since it uses less digits than its factorization.

102022321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17507 (or 17505 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 102022321020 its reverse (20123220201), we get a palindrome (122145541221).

The spelling of 102022321020 in words is "one hundred two billion, twenty-two million, three hundred twenty-one thousand, twenty".