20346664436332 has 48 divisors (see below), whose sum is σ = 38808224818272. Its totient is φ = 9277879564800.

The previous prime is 20346664436299. The next prime is 20346664436359. The reversal of 20346664436332 is 23363446664302.

It is a happy number.

It is a super-2 number, since 2×20346664436332² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 20346664436332.

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 15 ways as a sum of consecutive naturals, for example, 1695153 + ... + 6600520.

It is an arithmetic number, because the mean of its divisors is an integer number (808504683714).

Almost surely, 2^{20346664436332} is an apocalyptic number.

It is an amenable number.

20346664436332 is a deficient number, since it is larger than the sum of its proper divisors (18461560381940).

20346664436332 is a wasteful number, since it uses less digits than its factorization.

20346664436332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296258 (or 8296256 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 52.

The spelling of 20346664436332 in words is "twenty trillion, three hundred forty-six billion, six hundred sixty-four million, four hundred thirty-six thousand, three hundred thirty-two".