2221031332020 has 48 divisors (see below), whose sum is σ = 6304077984960. Its totient is φ = 584161664256.

The previous prime is 2221031331979. The next prime is 2221031332067. The reversal of 2221031332020 is 202331301222.

It is a happy number.

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, 253538010 + ... + 253546769.

It is an arithmetic number, because the mean of its divisors is an integer number (131334958020).

Almost surely, 2^{2221031332020} is an apocalyptic number.

2221031332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221031332020 is an abundant number, since it is smaller than the sum of its proper divisors (4083046652940).

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

2221031332020 is a wasteful number, since it uses less digits than its factorization.

2221031332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507084864 (or 507084862 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2221031332020 its reverse (202331301222), we get a palindrome (2423362633242).

The spelling of 2221031332020 in words is "two trillion, two hundred twenty-one billion, thirty-one million, three hundred thirty-two thousand, twenty".