20235055503 has 8 divisors (see below), whose sum is σ = 29055464368. Its totient is φ = 12452341824.

The previous prime is 20235055459. The next prime is 20235055517. The reversal of 20235055503 is 30555053202.

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

It is not a de Polignac number, because 20235055503 - 2²⁵ = 20201501071 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 (20235051503) 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, 259423750 + ... + 259423827.

It is an arithmetic number, because the mean of its divisors is an integer number (3631933046).

Almost surely, 2^20235055503 is an apocalyptic number.

20235055503 is a deficient number, since it is larger than the sum of its proper divisors (8820408865).

20235055503 is a wasteful number, since it uses less digits than its factorization.

20235055503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518847593.

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 20235055503 in words is "twenty billion, two hundred thirty-five million, fifty-five thousand, five hundred three".