20123310233020 has 24 divisors (see below), whose sum is σ = 42261777480384. Its totient is φ = 8048785809216.

The previous prime is 20123310232889. The next prime is 20123310233041. The reversal of 20123310233020 is 2033201332102.

It is a super-2 number, since 2×20123310233020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20123310232982 and 20123310233000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33336132 + ... + 33934411.

It is an arithmetic number, because the mean of its divisors is an integer number (1760907395016).

Almost surely, 2^{20123310233020} is an apocalyptic number.

20123310233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123310233020 is an abundant number, since it is smaller than the sum of its proper divisors (22138467247364).

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

20123310233020 is a wasteful number, since it uses less digits than its factorization.

20123310233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67285509 (or 67285507 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20123310233020 its reverse (2033201332102), we get a palindrome (22156511565122).

The spelling of 20123310233020 in words is "twenty trillion, one hundred twenty-three billion, three hundred ten million, two hundred thirty-three thousand, twenty".