102020100180 has 48 divisors (see below), whose sum is σ = 287091772800. Its totient is φ = 27068646528.

The previous prime is 102020100179. The next prime is 102020100241. The reversal of 102020100180 is 81001020201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4260259 + ... + 4284138.

It is an arithmetic number, because the mean of its divisors is an integer number (5981078600).

Almost surely, 2^102020100180 is an apocalyptic number.

102020100180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020100180 is an abundant number, since it is smaller than the sum of its proper divisors (185071672620).

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

102020100180 is a wasteful number, since it uses less digits than its factorization.

102020100180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544608 (or 8544606 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102020100180 its reverse (81001020201), we get a palindrome (183021120381).

The spelling of 102020100180 in words is "one hundred two billion, twenty million, one hundred thousand, one hundred eighty".