20297424575 has 48 divisors (see below), whose sum is σ = 26119756800. Its totient is φ = 15638313600.

The previous prime is 20297424541. The next prime is 20297424613. The reversal of 20297424575 is 57542479202.

It is a de Polignac number, because none of the positive numbers 2^k-20297424575 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22085966 + ... + 22086884.

It is an arithmetic number, because the mean of its divisors is an integer number (544161600).

Almost surely, 2^20297424575 is an apocalyptic number.

20297424575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20297424575 is a deficient number, since it is larger than the sum of its proper divisors (5822332225).

20297424575 is a wasteful number, since it uses less digits than its factorization.

20297424575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1267 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 20297424575 in words is "twenty billion, two hundred ninety-seven million, four hundred twenty-four thousand, five hundred seventy-five".