20423303005522 has 8 divisors (see below), whose sum is σ = 30672178027776. Its totient is φ = 10199243662932.

The previous prime is 20423303005513. The next prime is 20423303005543. The reversal of 20423303005522 is 22550030332402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20423303005522² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6203917858 + ... + 6203921149.

It is an arithmetic number, because the mean of its divisors is an integer number (3834022253472).

Almost surely, 2^{20423303005522} is an apocalyptic number.

20423303005522 is a deficient number, since it is larger than the sum of its proper divisors (10248875022254).

20423303005522 is a wasteful number, since it uses less digits than its factorization.

20423303005522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407839832.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 20423303005522 its reverse (22550030332402), we get a palindrome (42973333337924).

The spelling of 20423303005522 in words is "twenty trillion, four hundred twenty-three billion, three hundred three million, five thousand, five hundred twenty-two".