102020220023 has 4 divisors (see below), whose sum is σ = 103166514720. Its totient is φ = 100873925328.

The previous prime is 102020219969. The next prime is 102020220037. The reversal of 102020220023 is 320022020201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320022020201 = 13 ⋅24617078477.

It is a cyclic number.

It is not a de Polignac number, because 102020220023 - 2¹⁶ = 102020154487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020220823) 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 3 ways as a sum of consecutive naturals, for example, 573147215 + ... + 573147392.

It is an arithmetic number, because the mean of its divisors is an integer number (25791628680).

Almost surely, 2^102020220023 is an apocalyptic number.

102020220023 is a deficient number, since it is larger than the sum of its proper divisors (1146294697).

102020220023 is an equidigital number, since it uses as much as digits as its factorization.

102020220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146294696.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 102020220023 its reverse (320022020201), we get a palindrome (422042240224).

The spelling of 102020220023 in words is "one hundred two billion, twenty million, two hundred twenty thousand, twenty-three".