20210180832 has 96 divisors (see below), whose sum is σ = 62048851200. Its totient is φ = 6382157184.

The previous prime is 20210180819. The next prime is 20210180833. The reversal of 20210180832 is 23808101202.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20210180796 and 20210180805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210180833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599148 + ... + 631979.

It is an arithmetic number, because the mean of its divisors is an integer number (646342200).

Almost surely, 2^20210180832 is an apocalyptic number.

It is an amenable number.

20210180832 is an abundant number, since it is smaller than the sum of its proper divisors (41838670368).

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

20210180832 is a wasteful number, since it uses less digits than its factorization.

20210180832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231165 (or 1231151 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 20210180832 in words is "twenty billion, two hundred ten million, one hundred eighty thousand, eight hundred thirty-two".