220120303021023 has 16 divisors (see below), whose sum is σ = 306004874158080. Its totient is φ = 140570989052256.

The previous prime is 220120303020997. The next prime is 220120303021037. The reversal of 220120303021023 is 320120303021022.

It is a happy number.

It is not a de Polignac number, because 220120303021023 - 2⁸ = 220120303020767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120303021063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9961085115 + ... + 9961107212.

It is an arithmetic number, because the mean of its divisors is an integer number (19125304634880).

Almost surely, 2^{220120303021023} is an apocalyptic number.

220120303021023 is a deficient number, since it is larger than the sum of its proper divisors (85884571137057).

220120303021023 is a wasteful number, since it uses less digits than its factorization.

220120303021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19922192486.

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

Adding to 220120303021023 its reverse (320120303021022), we get a palindrome (540240606042045).

Subtracting 220120303021023 from its reverse (320120303021022), we obtain a palindrome (99999999999999).

The spelling of 220120303021023 in words is "two hundred twenty trillion, one hundred twenty billion, three hundred three million, twenty-one thousand, twenty-three".