102020003033100 has 72 divisors (see below), whose sum is σ = 295307969028240. Its totient is φ = 27193343950080.

The previous prime is 102020003033083. The next prime is 102020003033159. The reversal of 102020003033100 is 1330300020201.

It is a super-2 number, since 2×102020003033100² (a number of 29 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102020003033100.

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, 74256867 + ... + 75618266.

Almost surely, 2^{102020003033100} is an apocalyptic number.

102020003033100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020003033100 is an abundant number, since it is smaller than the sum of its proper divisors (193287965995140).

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

102020003033100 is a wasteful number, since it uses less digits than its factorization.

102020003033100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149877419 (or 149877412 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 102020003033100 its reverse (1330300020201), we get a palindrome (103350303053301).

The spelling of 102020003033100 in words is "one hundred two trillion, twenty billion, three million, thirty-three thousand, one hundred".