20335155023 has 8 divisors (see below), whose sum is σ = 21411676800. Its totient is φ = 19259258328.

The previous prime is 20335155019. The next prime is 20335155053. The reversal of 20335155023 is 32055153302.

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 20335155023 - 2² = 20335155019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335155053) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 88733 + ... + 220326.

It is an arithmetic number, because the mean of its divisors is an integer number (2676459600).

Almost surely, 2^20335155023 is an apocalyptic number.

20335155023 is a deficient number, since it is larger than the sum of its proper divisors (1076521777).

20335155023 is a wasteful number, since it uses less digits than its factorization.

20335155023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312541.

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 20335155023 in words is "twenty billion, three hundred thirty-five million, one hundred fifty-five thousand, twenty-three".