20422233222402 has 24 divisors (see below), whose sum is σ = 44895157333488. Its totient is φ = 6188555521720.

The previous prime is 20422233222383. The next prime is 20422233222403.

It is a happy number.

20422233222402 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20422233222402.

It is not an unprimeable number, because it can be changed into a prime (20422233222403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14064898188 + ... + 14064899639.

It is an arithmetic number, because the mean of its divisors is an integer number (1870631555562).

Almost surely, 2^{20422233222402} is an apocalyptic number.

20422233222402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20422233222402 is an abundant number, since it is smaller than the sum of its proper divisors (24472924111086).

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

20422233222402 is a wasteful number, since it uses less digits than its factorization.

20422233222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28129797854 (or 28129797843 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

It can be divided in two parts, 2042223 and 3222402, that added together give a palindrome (5264625).

The spelling of 20422233222402 in words is "twenty trillion, four hundred twenty-two billion, two hundred thirty-three million, two hundred twenty-two thousand, four hundred two".