20082551 has 2 divisors, whose sum is σ = 20082552. Its totient is φ = 20082550.

The previous prime is 20082541. The next prime is 20082577. The reversal of 20082551 is 15528002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20082551 - 2¹⁸ = 19820407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20082521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041275 + 10041276.

It is an arithmetic number, because the mean of its divisors is an integer number (10041276).

Almost surely, 2^20082551 is an apocalyptic number.

20082551 is a deficient number, since it is larger than the sum of its proper divisors (1).

20082551 is an equidigital number, since it uses as much as digits as its factorization.

20082551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 20082551 is about 4481.3559331970. The cubic root of 20082551 is about 271.8147121530.

The spelling of 20082551 in words is "twenty million, eighty-two thousand, five hundred fifty-one".