20377049 has 8 divisors (see below), whose sum is σ = 25405248. Its totient is φ = 15878160.

The previous prime is 20377043. The next prime is 20377087. The reversal of 20377049 is 94077302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20377049 - 2²⁴ = 3599833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20377043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132242 + ... + 132395.

It is an arithmetic number, because the mean of its divisors is an integer number (3175656).

Almost surely, 2^20377049 is an apocalyptic number.

It is an amenable number.

20377049 is a deficient number, since it is larger than the sum of its proper divisors (5028199).

20377049 is a wasteful number, since it uses less digits than its factorization.

20377049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264655.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 20377049 is about 4514.0944828393. The cubic root of 20377049 is about 273.1369339025.

The spelling of 20377049 in words is "twenty million, three hundred seventy-seven thousand, forty-nine".