20297424503 has 8 divisors (see below), whose sum is σ = 20787596928. Its totient is φ = 19812985344.

The previous prime is 20297424479. The next prime is 20297424541. The reversal of 20297424503 is 30542479202.

It is a happy number.

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 20297424503 - 2¹⁴ = 20297408119 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 (20297424403) 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, 1426151 + ... + 1440312.

It is an arithmetic number, because the mean of its divisors is an integer number (2598449616).

Almost surely, 2^20297424503 is an apocalyptic number.

20297424503 is a deficient number, since it is larger than the sum of its proper divisors (490172425).

20297424503 is an equidigital number, since it uses as much as digits as its factorization.

20297424503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866633.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 20297424503 in words is "twenty billion, two hundred ninety-seven million, four hundred twenty-four thousand, five hundred three".