20212213023 has 24 divisors (see below), whose sum is σ = 29575671840. Its totient is φ = 13300251840.

The previous prime is 20212212991. The next prime is 20212213039. The reversal of 20212213023 is 32031221202.

It is not a de Polignac number, because 20212213023 - 2⁵ = 20212212991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20212212987 and 20212213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212213423) 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, 218833 + ... + 297173.

It is an arithmetic number, because the mean of its divisors is an integer number (1232319660).

Almost surely, 2^20212213023 is an apocalyptic number.

20212213023 is a deficient number, since it is larger than the sum of its proper divisors (9363458817).

20212213023 is a wasteful number, since it uses less digits than its factorization.

20212213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78719 (or 78716 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20212213023 its reverse (32031221202), we get a palindrome (52243434225).

The spelling of 20212213023 in words is "twenty billion, two hundred twelve million, two hundred thirteen thousand, twenty-three".