180529812020 has 24 divisors (see below), whose sum is σ = 379525171200. Its totient is φ = 72133340832.

The previous prime is 180529811983. The next prime is 180529812097. The reversal of 180529812020 is 20218925081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4892660 + ... + 4929419.

It is an arithmetic number, because the mean of its divisors is an integer number (15813548800).

Almost surely, 2^180529812020 is an apocalyptic number.

180529812020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180529812020 is an abundant number, since it is smaller than the sum of its proper divisors (198995359180).

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

180529812020 is a wasteful number, since it uses less digits than its factorization.

180529812020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823007 (or 9823005 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 180529812020 in words is "one hundred eighty billion, five hundred twenty-nine million, eight hundred twelve thousand, twenty".