20850118422 has 32 divisors (see below), whose sum is σ = 47663520000. Its totient is φ = 5956413408.

The previous prime is 20850118391. The next prime is 20850118423. The reversal of 20850118422 is 22481105802.

It is a super-2 number, since 2×20850118422² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850118423) 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, 355329 + ... + 409827.

It is an arithmetic number, because the mean of its divisors is an integer number (1489485000).

Almost surely, 2^20850118422 is an apocalyptic number.

20850118422 is an abundant number, since it is smaller than the sum of its proper divisors (26813401578).

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

20850118422 is a wasteful number, since it uses less digits than its factorization.

20850118422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63620.

The product of its (nonzero) digits is 10240, while the sum is 33.

The spelling of 20850118422 in words is "twenty billion, eight hundred fifty million, one hundred eighteen thousand, four hundred twenty-two".