20883377 has 2 divisors, whose sum is σ = 20883378. Its totient is φ = 20883376.

The previous prime is 20883371. The next prime is 20883383. The reversal of 20883377 is 77338802.

It is a balanced prime because it is at equal distance from previous prime (20883371) and next prime (20883383).

It can be written as a sum of positive squares in only one way, i.e., 20802721 + 80656 = 4561^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 20883377 - 2¹⁰ = 20882353 is a prime.

It is a super-2 number, since 2×20883377² = 872230869848258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20883377.

It is not a weakly prime, because it can be changed into another prime (20883371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10441688 + 10441689.

It is an arithmetic number, because the mean of its divisors is an integer number (10441689).

Almost surely, 2^20883377 is an apocalyptic number.

It is an amenable number.

20883377 is a deficient number, since it is larger than the sum of its proper divisors (1).

20883377 is an equidigital number, since it uses as much as digits as its factorization.

20883377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 20883377 is about 4569.8333667651. The cubic root of 20883377 is about 275.3807486279.

The spelling of 20883377 in words is "twenty million, eight hundred eighty-three thousand, three hundred seventy-seven".