102133312020 has 48 divisors (see below), whose sum is σ = 317748083520. Its totient is φ = 27235549728.

The previous prime is 102133312003. The next prime is 102133312027. The reversal of 102133312020 is 20213331201.

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 = 102133311984 and 102133312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102133312027) 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, 94567342 + ... + 94568421.

It is an arithmetic number, because the mean of its divisors is an integer number (6619751740).

Almost surely, 2^102133312020 is an apocalyptic number.

102133312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102133312020 is an abundant number, since it is smaller than the sum of its proper divisors (215614771500).

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

102133312020 is a wasteful number, since it uses less digits than its factorization.

102133312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189135781 (or 189135773 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102133312020 its reverse (20213331201), we get a palindrome (122346643221).

It can be divided in two parts, 10213 and 3312020, that added together give a palindrome (3322233).

The spelling of 102133312020 in words is "one hundred two billion, one hundred thirty-three million, three hundred twelve thousand, twenty".