102020202322020 has 72 divisors (see below), whose sum is σ = 317825098786104. Its totient is φ = 26470106546688.

The previous prime is 102020202322019. The next prime is 102020202322033. The reversal of 102020202322020 is 20223202020201.

102020202322020 is a `hidden beast` number, since 10 + 20 + 202 + 0 + 232 + 202 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14878238701824 + 87141963620196 = 3857232^2 + 9334986^2 .

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 = 102020202321984 and 102020202322002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7659167689 + ... + 7659181008.

Almost surely, 2^{102020202322020} is an apocalyptic number.

102020202322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020202322020 is an abundant number, since it is smaller than the sum of its proper divisors (215804896464084).

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

102020202322020 is a wasteful number, since it uses less digits than its factorization.

102020202322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318348749 (or 15318348744 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 102020202322020 its reverse (20223202020201), we get a palindrome (122243404342221).

The spelling of 102020202322020 in words is "one hundred two trillion, twenty billion, two hundred two million, three hundred twenty-two thousand, twenty".