20213213122023 has 32 divisors (see below), whose sum is σ = 27193357062144. Its totient is φ = 13354817280000.

The previous prime is 20213213122019. The next prime is 20213213122093. The reversal of 20213213122023 is 32022131231202.

It is not a de Polignac number, because 20213213122023 - 2² = 20213213122019 is a prime.

It is a super-2 number, since 2×20213213122023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20213213121984 and 20213213122002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213213122093) 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, 1599013783 + ... + 1599026423.

It is an arithmetic number, because the mean of its divisors is an integer number (849792408192).

Almost surely, 2^{20213213122023} is an apocalyptic number.

20213213122023 is a deficient number, since it is larger than the sum of its proper divisors (6980143940121).

20213213122023 is a wasteful number, since it uses less digits than its factorization.

20213213122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23047.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20213213122023 its reverse (32022131231202), we get a palindrome (52235344353225).

The spelling of 20213213122023 in words is "twenty trillion, two hundred thirteen billion, two hundred thirteen million, one hundred twenty-two thousand, twenty-three".