20494411 has 16 divisors (see below), whose sum is σ = 24525504. Its totient is φ = 16758144.

The previous prime is 20494393. The next prime is 20494423. The reversal of 20494411 is 11449402.

It is a cyclic number.

It is not a de Polignac number, because 20494411 - 2⁷ = 20494283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20494211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12981 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (1532844).

Almost surely, 2^20494411 is an apocalyptic number.

20494411 is a deficient number, since it is larger than the sum of its proper divisors (4031093).

20494411 is a wasteful number, since it uses less digits than its factorization.

20494411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20494411 is about 4527.0753251962. The cubic root of 20494411 is about 273.6603095038.

The spelling of 20494411 in words is "twenty million, four hundred ninety-four thousand, four hundred eleven".