20874791183 has 2 divisors, whose sum is σ = 20874791184. Its totient is φ = 20874791182.

The previous prime is 20874791159. The next prime is 20874791219. The reversal of 20874791183 is 38119747802.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20874791183 - 2¹⁶ = 20874725647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20874791143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10437395591 + 10437395592.

It is an arithmetic number, because the mean of its divisors is an integer number (10437395592).

Almost surely, 2^20874791183 is an apocalyptic number.

20874791183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20874791183 is an equidigital number, since it uses as much as digits as its factorization.

20874791183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 20874791183 in words is "twenty billion, eight hundred seventy-four million, seven hundred ninety-one thousand, one hundred eighty-three".