20422425052452 has 24 divisors (see below), whose sum is σ = 48027540284416. Its totient is φ = 6753872851488.

The previous prime is 20422425052433. The next prime is 20422425052507. The reversal of 20422425052452 is 25425052422402.

It is a self number, because there is not a number n which added to its sum of digits gives 20422425052452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6700269163 + ... + 6700272210.

Almost surely, 2^{20422425052452} is an apocalyptic number.

It is an amenable number.

20422425052452 is an abundant number, since it is smaller than the sum of its proper divisors (27605115231964).

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

20422425052452 is a wasteful number, since it uses less digits than its factorization.

20422425052452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13400541507 (or 13400541505 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 39.

Adding to 20422425052452 its reverse (25425052422402), we get a palindrome (45847477474854).

The spelling of 20422425052452 in words is "twenty trillion, four hundred twenty-two billion, four hundred twenty-five million, fifty-two thousand, four hundred fifty-two".