20552151583 has 2 divisors, whose sum is σ = 20552151584. Its totient is φ = 20552151582.

The previous prime is 20552151427. The next prime is 20552151589. The reversal of 20552151583 is 38515125502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20552151583 - 2²¹ = 20550054431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20552151589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10276075791 + 10276075792.

It is an arithmetic number, because the mean of its divisors is an integer number (10276075792).

Almost surely, 2^20552151583 is an apocalyptic number.

20552151583 is a deficient number, since it is larger than the sum of its proper divisors (1).

20552151583 is an equidigital number, since it uses as much as digits as its factorization.

20552151583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 20552151583 in words is "twenty billion, five hundred fifty-two million, one hundred fifty-one thousand, five hundred eighty-three".