20123522221310 has 64 divisors (see below), whose sum is σ = 38701821876480. Its totient is φ = 7511170487040.

The previous prime is 20123522221279. The next prime is 20123522221349. The reversal of 20123522221310 is 1312222532102.

It is a happy number.

It is a super-2 number, since 2×20123522221310² (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 20123522221310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133042025 + ... + 133193195.

It is an arithmetic number, because the mean of its divisors is an integer number (604715966820).

Almost surely, 2^{20123522221310} is an apocalyptic number.

20123522221310 is a deficient number, since it is larger than the sum of its proper divisors (18578299655170).

20123522221310 is a wasteful number, since it uses less digits than its factorization.

20123522221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161721.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20123522221310 its reverse (1312222532102), we get a palindrome (21435744753412).

The spelling of 20123522221310 in words is "twenty trillion, one hundred twenty-three billion, five hundred twenty-two million, two hundred twenty-one thousand, three hundred ten".