20443230202422 has 32 divisors (see below), whose sum is σ = 43850424280320. Its totient is φ = 6333950170080.

The previous prime is 20443230202399. The next prime is 20443230202489. The reversal of 20443230202422 is 22420203234402.

It is a super-2 number, since 2×20443230202422² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20443230202422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691754154 + ... + 1691766237.

It is an arithmetic number, because the mean of its divisors is an integer number (1370325758760).

Almost surely, 2^{20443230202422} is an apocalyptic number.

20443230202422 is an abundant number, since it is smaller than the sum of its proper divisors (23407194077898).

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

20443230202422 is a wasteful number, since it uses less digits than its factorization.

20443230202422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383520468.

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

Adding to 20443230202422 its reverse (22420203234402), we get a palindrome (42863433436824).

The spelling of 20443230202422 in words is "twenty trillion, four hundred forty-three billion, two hundred thirty million, two hundred two thousand, four hundred twenty-two".