20245849436475 has 768 divisors, whose sum is σ = 43942627491840. Its totient is φ = 9173407541760.

The previous prime is 20245849436471. The next prime is 20245849436497. The reversal of 20245849436475 is 57463494854202.

20245849436475 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 584 + 9 + 4 + 3 + 6 + 47 + 5 = 666.

It is not a de Polignac number, because 20245849436475 - 2² = 20245849436471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20245849436471) by changing a digit.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 58345387252 + ... + 58345387598.

It is an arithmetic number, because the mean of its divisors is an integer number (57216962880).

Almost surely, 2^{20245849436475} is an apocalyptic number.

20245849436475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20245849436475 is an abundant number, since it is smaller than the sum of its proper divisors (23696778055365).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20245849436475 is a wasteful number, since it uses less digits than its factorization.

20245849436475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 63.

The spelling of 20245849436475 in words is "twenty trillion, two hundred forty-five billion, eight hundred forty-nine million, four hundred thirty-six thousand, four hundred seventy-five".