20009377731323 has 8 divisors (see below), whose sum is σ = 20499842884416. Its totient is φ = 19519028366400.

The previous prime is 20009377731289. The next prime is 20009377731367. The reversal of 20009377731323 is 32313777390002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20009377731323 - 2¹⁶ = 20009377665787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20009377031323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28597136 + ... + 29288477.

It is an arithmetic number, because the mean of its divisors is an integer number (2562480360552).

Almost surely, 2^{20009377731323} is an apocalyptic number.

20009377731323 is a deficient number, since it is larger than the sum of its proper divisors (490465153093).

20009377731323 is an equidigital number, since it uses as much as digits as its factorization.

20009377731323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57894085.

The product of its (nonzero) digits is 1000188, while the sum is 47.

The spelling of 20009377731323 in words is "twenty trillion, nine billion, three hundred seventy-seven million, seven hundred thirty-one thousand, three hundred twenty-three".