20122001010023 has 16 divisors (see below), whose sum is σ = 22463134759296. Its totient is φ = 17866229166240.

The previous prime is 20122001009989. The next prime is 20122001010031. The reversal of 20122001010023 is 32001010022102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20122001010023 - 2⁸ = 20122001009767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122001810023) 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, 6541265 + ... + 9112197.

It is an arithmetic number, because the mean of its divisors is an integer number (1403945922456).

Almost surely, 2^{20122001010023} is an apocalyptic number.

20122001010023 is a deficient number, since it is larger than the sum of its proper divisors (2341133749273).

20122001010023 is a wasteful number, since it uses less digits than its factorization.

20122001010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587534.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20122001010023 its reverse (32001010022102), we get a palindrome (52123011032125).

The spelling of 20122001010023 in words is "twenty trillion, one hundred twenty-two billion, one million, ten thousand, twenty-three".