20211012020023 has 16 divisors (see below), whose sum is σ = 22056745888800. Its totient is φ = 18366674222080.

The previous prime is 20211012020021. The next prime is 20211012020053. The reversal of 20211012020023 is 32002021011202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20211012020023 - 2¹ = 20211012020021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20211012019979 and 20211012020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211012020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433791813 + ... + 433838401.

It is an arithmetic number, because the mean of its divisors is an integer number (1378546618050).

Almost surely, 2^{20211012020023} is an apocalyptic number.

20211012020023 is a deficient number, since it is larger than the sum of its proper divisors (1845733868777).

20211012020023 is a wasteful number, since it uses less digits than its factorization.

20211012020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60722.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20211012020023 its reverse (32002021011202), we get a palindrome (52213033031225).

The spelling of 20211012020023 in words is "twenty trillion, two hundred eleven billion, twelve million, twenty thousand, twenty-three".