20235023554503 has 16 divisors (see below), whose sum is σ = 26988307347456. Its totient is φ = 13485878098560.

The previous prime is 20235023554489. The next prime is 20235023554549. The reversal of 20235023554503 is 30545532053202.

It is not a de Polignac number, because 20235023554503 - 2³³ = 20226433619911 is a prime.

It is a super-2 number, since 2×20235023554503² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20235023554903) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 350112538 + ... + 350170328.

It is an arithmetic number, because the mean of its divisors is an integer number (1686769209216).

Almost surely, 2^{20235023554503} is an apocalyptic number.

20235023554503 is a deficient number, since it is larger than the sum of its proper divisors (6753283792953).

20235023554503 is a wasteful number, since it uses less digits than its factorization.

20235023554503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91574.

The product of its (nonzero) digits is 540000, while the sum is 39.

The spelling of 20235023554503 in words is "twenty trillion, two hundred thirty-five billion, twenty-three million, five hundred fifty-four thousand, five hundred three".