102020100000 has 1152 divisors, whose sum is σ = 427301650944. Its totient is φ = 20736000000.

The previous prime is 102020099989. The next prime is 102020100071. The reversal of 102020100000 is 1020201.

It is a happy number.

102020100000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1010099950 + ... + 1010100050.

It is an arithmetic number, because the mean of its divisors is an integer number (370921572).

Almost surely, 2^102020100000 is an apocalyptic number.

102020100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102020100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213650825472).

102020100000 is an abundant number, since it is smaller than the sum of its proper divisors (325281550944).

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

102020100000 is a wasteful number, since it uses less digits than its factorization.

102020100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 102020100000 its reverse (1020201), we get a palindrome (102021120201).

102020100000 divided by its reverse (1020201) gives a 5-th power (100000 = 10⁵).

The spelling of 102020100000 in words is "one hundred two billion, twenty million, one hundred thousand".