20000123122210 has 64 divisors (see below), whose sum is σ = 44897333370624. Its totient is φ = 6231868473600.

The previous prime is 20000123122193. The next prime is 20000123122283. The reversal of 20000123122210 is 1222132100002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1551837 + ... + 6512176.

It is an arithmetic number, because the mean of its divisors is an integer number (701520833916).

Almost surely, 2^{20000123122210} is an apocalyptic number.

20000123122210 is an abundant number, since it is smaller than the sum of its proper divisors (24897210248414).

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

20000123122210 is a wasteful number, since it uses less digits than its factorization.

20000123122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067259.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20000123122210 its reverse (1222132100002), we get a palindrome (21222255222212).

The spelling of 20000123122210 in words is "twenty trillion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred ten".