20123202321332 has 24 divisors (see below), whose sum is σ = 38493398446272. Its totient is φ = 9128725424000.

The previous prime is 20123202321329. The next prime is 20123202321359. The reversal of 20123202321332 is 23312320232102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454595669 + ... + 454639932.

It is an arithmetic number, because the mean of its divisors is an integer number (1603891601928).

Almost surely, 2^{20123202321332} is an apocalyptic number.

20123202321332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20123202321332 is a deficient number, since it is larger than the sum of its proper divisors (18370196124940).

20123202321332 is a wasteful number, since it uses less digits than its factorization.

20123202321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909236119 (or 909236117 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20123202321332 its reverse (23312320232102), we get a palindrome (43435522553434).

The spelling of 20123202321332 in words is "twenty trillion, one hundred twenty-three billion, two hundred two million, three hundred twenty-one thousand, three hundred thirty-two".