20377925593 has 8 divisors (see below), whose sum is σ = 20491511040. Its totient is φ = 20264576640.

The previous prime is 20377925591. The next prime is 20377925597. The reversal of 20377925593 is 39552977302.

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 20377925593 - 2¹ = 20377925591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20377925593.

It is not an unprimeable number, because it can be changed into a prime (20377925591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115113 + ... + 232393.

It is an arithmetic number, because the mean of its divisors is an integer number (2561438880).

Almost surely, 2^20377925593 is an apocalyptic number.

It is an amenable number.

20377925593 is a deficient number, since it is larger than the sum of its proper divisors (113585447).

20377925593 is a wasteful number, since it uses less digits than its factorization.

20377925593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118247.

The product of its (nonzero) digits is 3572100, while the sum is 52.

The spelling of 20377925593 in words is "twenty billion, three hundred seventy-seven million, nine hundred twenty-five thousand, five hundred ninety-three".