102322132020 has 108 divisors (see below), whose sum is σ = 321449326380. Its totient is φ = 26344969728.

The previous prime is 102322132007. The next prime is 102322132021. The reversal of 102322132020 is 20231223201.

102322132020 is a `hidden beast` number, since 1 + 0 + 2 + 322 + 1 + 320 + 20 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 197136 + 102321934884 = 444^2 + 319878^2 .

It is a super-2 number, since 2×102322132020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102322131984 and 102322132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102322132021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 186585 + ... + 489344.

Almost surely, 2^102322132020 is an apocalyptic number.

102322132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102322132020 is an abundant number, since it is smaller than the sum of its proper divisors (219127194360).

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

102322132020 is a wasteful number, since it uses less digits than its factorization.

102322132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676002 (or 675968 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 102322132020 its reverse (20231223201), we get a palindrome (122553355221).

The spelling of 102322132020 in words is "one hundred two billion, three hundred twenty-two million, one hundred thirty-two thousand, twenty".