20741413 has 16 divisors (see below), whose sum is σ = 26135424. Its totient is φ = 15989760.

The previous prime is 20741401. The next prime is 20741447. The reversal of 20741413 is 31414702.

It is a cyclic number.

It is not a de Polignac number, because 20741413 - 2⁵ = 20741381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20741473) 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, 6081 + ... + 8857.

It is an arithmetic number, because the mean of its divisors is an integer number (1633464).

Almost surely, 2^20741413 is an apocalyptic number.

It is an amenable number.

20741413 is a deficient number, since it is larger than the sum of its proper divisors (5394011).

20741413 is a wasteful number, since it uses less digits than its factorization.

20741413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20741413 is about 4554.2741463377. The cubic root of 20741413 is about 274.7553217587.

Subtracting 20741413 from its reverse (31414702), we obtain a square (10673289 = 3267²).

The spelling of 20741413 in words is "twenty million, seven hundred forty-one thousand, four hundred thirteen".