20212436622 has 16 divisors (see below), whose sum is σ = 46199855232. Its totient is φ = 5774981880.

The previous prime is 20212436591. The next prime is 20212436623. The reversal of 20212436622 is 22663421202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212436622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212436623) 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, 240624204 + ... + 240624287.

It is an arithmetic number, because the mean of its divisors is an integer number (2887490952).

Almost surely, 2^20212436622 is an apocalyptic number.

20212436622 is an abundant number, since it is smaller than the sum of its proper divisors (25987418610).

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

20212436622 is a wasteful number, since it uses less digits than its factorization.

20212436622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481248503.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20212436622 its reverse (22663421202), we get a palindrome (42875857824).

The spelling of 20212436622 in words is "twenty billion, two hundred twelve million, four hundred thirty-six thousand, six hundred twenty-two".