2321032221020 has 48 divisors (see below), whose sum is σ = 5171102146560. Its totient is φ = 872623450944.

The previous prime is 2321032221007. The next prime is 2321032221029. The reversal of 2321032221020 is 201222301232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2321032220983 and 2321032221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321032221029) 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, 23998904 + ... + 24095423.

It is an arithmetic number, because the mean of its divisors is an integer number (107731294720).

Almost surely, 2^{2321032221020} is an apocalyptic number.

2321032221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321032221020 is an abundant number, since it is smaller than the sum of its proper divisors (2850069925540).

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

2321032221020 is a wasteful number, since it uses less digits than its factorization.

2321032221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48094482 (or 48094480 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2321032221020 its reverse (201222301232), we get a palindrome (2522254522252).

The spelling of 2321032221020 in words is "two trillion, three hundred twenty-one billion, thirty-two million, two hundred twenty-one thousand, twenty".