20012130211023 has 24 divisors (see below), whose sum is σ = 29296133505600. Its totient is φ = 13161822732864.

The previous prime is 20012130211009. The next prime is 20012130211061. The reversal of 20012130211023 is 32011203121002.

It is not a de Polignac number, because 20012130211023 - 2²¹ = 20012128113871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20012130210987 and 20012130211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012130211093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10577140 + ... + 12324777.

It is an arithmetic number, because the mean of its divisors is an integer number (1220672229400).

Almost surely, 2^{20012130211023} is an apocalyptic number.

20012130211023 is a deficient number, since it is larger than the sum of its proper divisors (9284003294577).

20012130211023 is a wasteful number, since it uses less digits than its factorization.

20012130211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22903231 (or 22903228 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20012130211023 its reverse (32011203121002), we get a palindrome (52023333332025).

The spelling of 20012130211023 in words is "twenty trillion, twelve billion, one hundred thirty million, two hundred eleven thousand, twenty-three".