20332902023953 has 4 divisors (see below), whose sum is σ = 20332911774960. Its totient is φ = 20332892272948.

The previous prime is 20332902023899. The next prime is 20332902023963. The reversal of 20332902023953 is 35932020923302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332902023953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332902023963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343375 + ... + 6386212.

It is an arithmetic number, because the mean of its divisors is an integer number (5083227943740).

Almost surely, 2^{20332902023953} is an apocalyptic number.

It is an amenable number.

20332902023953 is a deficient number, since it is larger than the sum of its proper divisors (9751007).

20332902023953 is an equidigital number, since it uses as much as digits as its factorization.

20332902023953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9751006.

The product of its (nonzero) digits is 524880, while the sum is 43.

The spelling of 20332902023953 in words is "twenty trillion, three hundred thirty-two billion, nine hundred two million, twenty-three thousand, nine hundred fifty-three".