32121102020 has 48 divisors (see below), whose sum is σ = 77772901248. Its totient is φ = 10915484160.

The previous prime is 32121102017. The next prime is 32121102043. The reversal of 32121102020 is 2020112123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 32121101986 and 32121102004.

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, 999386 + ... + 1031025.

It is an arithmetic number, because the mean of its divisors is an integer number (1620268776).

Almost surely, 2^32121102020 is an apocalyptic number.

It is an amenable number.

32121102020 is an abundant number, since it is smaller than the sum of its proper divisors (45651799228).

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

32121102020 is a wasteful number, since it uses less digits than its factorization.

32121102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030540 (or 2030538 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 32121102020 its reverse (2020112123), we get a palindrome (34141214143).

The spelling of 32121102020 in words is "thirty-two billion, one hundred twenty-one million, one hundred two thousand, twenty".