20245411 has 2 divisors, whose sum is σ = 20245412. Its totient is φ = 20245410.

The previous prime is 20245399. The next prime is 20245439. The reversal of 20245411 is 11454202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20245411 - 2²¹ = 18148259 is a prime.

It is not a weakly prime, because it can be changed into another prime (20245441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122705 + 10122706.

It is an arithmetic number, because the mean of its divisors is an integer number (10122706).

Almost surely, 2^20245411 is an apocalyptic number.

20245411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20245411 is an equidigital number, since it uses as much as digits as its factorization.

20245411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20245411 is about 4499.4900822204. The cubic root of 20245411 is about 272.5474978226.

Adding to 20245411 its reverse (11454202), we get a palindrome (31699613).

The spelling of 20245411 in words is "twenty million, two hundred forty-five thousand, four hundred eleven".