20501007022212 has 96 divisors (see below), whose sum is σ = 50788091491200. Its totient is φ = 6426517988352.

The previous prime is 20501007022211. The next prime is 20501007022213. The reversal of 20501007022212 is 21222070010502.

It is an interprime number because it is at equal distance from previous prime (20501007022211) and next prime (20501007022213).

It is a super-2 number, since 2×20501007022212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20501007022211) 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, 2864583 + ... + 7014830.

It is an arithmetic number, because the mean of its divisors is an integer number (529042619700).

Almost surely, 2^{20501007022212} is an apocalyptic number.

It is an amenable number.

20501007022212 is an abundant number, since it is smaller than the sum of its proper divisors (30287084468988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20501007022212 is a wasteful number, since it uses less digits than its factorization.

20501007022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879605 (or 9879603 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 20501007022212 its reverse (21222070010502), we get a palindrome (41723077032714).

The spelling of 20501007022212 in words is "twenty trillion, five hundred one billion, seven million, twenty-two thousand, two hundred twelve".