20293775124479 has 64 divisors (see below), whose sum is σ = 21772212756480. Its totient is φ = 18893742067200.

The previous prime is 20293775124443. The next prime is 20293775124481. The reversal of 20293775124479 is 97442157739202.

It is a cyclic number.

It is not a de Polignac number, because 20293775124479 - 2³⁶ = 20225055647743 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 (20293775124179) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2916187802 + ... + 2916194760.

It is an arithmetic number, because the mean of its divisors is an integer number (340190824320).

Almost surely, 2^{20293775124479} is an apocalyptic number.

20293775124479 is a deficient number, since it is larger than the sum of its proper divisors (1478437632001).

20293775124479 is a wasteful number, since it uses less digits than its factorization.

20293775124479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400.

The product of its (nonzero) digits is 53343360, while the sum is 62.

The spelling of 20293775124479 in words is "twenty trillion, two hundred ninety-three billion, seven hundred seventy-five million, one hundred twenty-four thousand, four hundred seventy-nine".