32020990000 has 50 divisors (see below), whose sum is σ = 77526043100. Its totient is φ = 12808392000.

The previous prime is 32020989983. The next prime is 32020990061. The reversal of 32020990000 is 9902023.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1591050 + ... + 1611049.

It is an arithmetic number, because the mean of its divisors is an integer number (1550520862).

Almost surely, 2^32020990000 is an apocalyptic number.

It is an amenable number.

32020990000 is an abundant number, since it is smaller than the sum of its proper divisors (45505053100).

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

32020990000 is an equidigital number, since it uses as much as digits as its factorization.

32020990000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202127 (or 3202106 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 32020990000 in words is "thirty-two billion, twenty million, nine hundred ninety thousand".