20454059 has 2 divisors, whose sum is σ = 20454060. Its totient is φ = 20454058.

The previous prime is 20454041. The next prime is 20454067. The reversal of 20454059 is 95045402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20454059 is a prime.

It is not a weakly prime, because it can be changed into another prime (20454029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10227029 + 10227030.

It is an arithmetic number, because the mean of its divisors is an integer number (10227030).

Almost surely, 2^20454059 is an apocalyptic number.

20454059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20454059 is an equidigital number, since it uses as much as digits as its factorization.

20454059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 20454059 is about 4522.6163887732. The cubic root of 20454059 is about 273.4805857700.

The spelling of 20454059 in words is "twenty million, four hundred fifty-four thousand, fifty-nine".