20220012010021 has 8 divisors (see below), whose sum is σ = 20985388189920. Its totient is φ = 19459178122608.

The previous prime is 20220012009991. The next prime is 20220012010061. The reversal of 20220012010021 is 12001021002202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220012010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220012009983 and 20220012010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220012010061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135564051 + ... + 1135581856.

It is an arithmetic number, because the mean of its divisors is an integer number (2623173523740).

Almost surely, 2^{20220012010021} is an apocalyptic number.

It is an amenable number.

20220012010021 is a deficient number, since it is larger than the sum of its proper divisors (765376179899).

20220012010021 is a wasteful number, since it uses less digits than its factorization.

20220012010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271146243.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220012010021 its reverse (12001021002202), we get a palindrome (32221033012223).

The spelling of 20220012010021 in words is "twenty trillion, two hundred twenty billion, twelve million, ten thousand, twenty-one".