20020201023 has 16 divisors (see below), whose sum is σ = 26759849600. Its totient is φ = 13313720736.

The previous prime is 20020200929. The next prime is 20020201039. The reversal of 20020201023 is 32010202002.

It is not a de Polignac number, because 20020201023 - 2¹² = 20020196927 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 (20020201043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2136753 + ... + 2146101.

It is an arithmetic number, because the mean of its divisors is an integer number (1672490600).

Almost surely, 2^20020201023 is an apocalyptic number.

20020201023 is a deficient number, since it is larger than the sum of its proper divisors (6739648577).

20020201023 is an equidigital number, since it uses as much as digits as its factorization.

20020201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11046.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20020201023 its reverse (32010202002), we get a palindrome (52030403025).

The spelling of 20020201023 in words is "twenty billion, twenty million, two hundred one thousand, twenty-three".