20377413 has 40 divisors (see below), whose sum is σ = 35289408. Its totient is φ = 11477376.

The previous prime is 20377411. The next prime is 20377421. The reversal of 20377413 is 31477302.

It is not a de Polignac number, because 20377413 - 2¹ = 20377411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377411) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46845 + ... + 47277.

Almost surely, 2^20377413 is an apocalyptic number.

It is an amenable number.

20377413 is a deficient number, since it is larger than the sum of its proper divisors (14911995).

20377413 is an equidigital number, since it uses as much as digits as its factorization.

20377413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20377413 is about 4514.1348008229. The cubic root of 20377413 is about 273.1385602625.

The spelling of 20377413 in words is "twenty million, three hundred seventy-seven thousand, four hundred thirteen".