20211013023 has 32 divisors (see below), whose sum is σ = 29175261696. Its totient is φ = 12399218688.

The previous prime is 20211013021. The next prime is 20211013033. The reversal of 20211013023 is 32031011202.

It is not a de Polignac number, because 20211013023 - 2¹ = 20211013021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20211012993 and 20211013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211013021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385990 + ... + 435212.

It is an arithmetic number, because the mean of its divisors is an integer number (911726928).

Almost surely, 2^20211013023 is an apocalyptic number.

20211013023 is a deficient number, since it is larger than the sum of its proper divisors (8964248673).

20211013023 is a wasteful number, since it uses less digits than its factorization.

20211013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49423.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20211013023 its reverse (32031011202), we get a palindrome (52242024225).

The spelling of 20211013023 in words is "twenty billion, two hundred eleven million, thirteen thousand, twenty-three".