20592950993 has 4 divisors (see below), whose sum is σ = 20596988400. Its totient is φ = 20588913588.

The previous prime is 20592950981. The next prime is 20592951017. The reversal of 20592950993 is 39905929502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20592950993 - 2¹⁰ = 20592949969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20592950933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011043 + ... + 2021256.

It is an arithmetic number, because the mean of its divisors is an integer number (5149247100).

Almost surely, 2^20592950993 is an apocalyptic number.

It is an amenable number.

20592950993 is a deficient number, since it is larger than the sum of its proper divisors (4037407).

20592950993 is an equidigital number, since it uses as much as digits as its factorization.

20592950993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037406.

The product of its (nonzero) digits is 1968300, while the sum is 53.

The spelling of 20592950993 in words is "twenty billion, five hundred ninety-two million, nine hundred fifty thousand, nine hundred ninety-three".