20342422250502 has 32 divisors (see below), whose sum is σ = 46719438664320. Its totient is φ = 5839929832320.

The previous prime is 20342422250497. The next prime is 20342422250509. The reversal of 20342422250502 is 20505222424302.

It is a super-3 number, since 3×20342422250502³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342422250509) 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, 8111012403 + ... + 8111014910.

It is an arithmetic number, because the mean of its divisors is an integer number (1459982458260).

Almost surely, 2^{20342422250502} is an apocalyptic number.

20342422250502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20342422250502 is an abundant number, since it is smaller than the sum of its proper divisors (26377016413818).

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

20342422250502 is a wasteful number, since it uses less digits than its factorization.

20342422250502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16222027348.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 20342422250502 its reverse (20505222424302), we get a palindrome (40847644674804).

The spelling of 20342422250502 in words is "twenty trillion, three hundred forty-two billion, four hundred twenty-two million, two hundred fifty thousand, five hundred two".