20888041 has 2 divisors, whose sum is σ = 20888042. Its totient is φ = 20888040.

The previous prime is 20888027. The next prime is 20888111. The reversal of 20888041 is 14088802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19669225 + 1218816 = 4435^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 20888041 - 2⁵ = 20888009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20887994 and 20888012.

It is not a weakly prime, because it can be changed into another prime (20888341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10444020 + 10444021.

It is an arithmetic number, because the mean of its divisors is an integer number (10444021).

Almost surely, 2^20888041 is an apocalyptic number.

It is an amenable number.

20888041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20888041 is an equidigital number, since it uses as much as digits as its factorization.

20888041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 20888041 is about 4570.3436413469. The cubic root of 20888041 is about 275.4012478701.

The spelling of 20888041 in words is "twenty million, eight hundred eighty-eight thousand, forty-one".