20677053 has 4 divisors (see below), whose sum is σ = 27569408. Its totient is φ = 13784700.

The previous prime is 20677051. The next prime is 20677061. The reversal of 20677053 is 35077602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20677053 - 2¹ = 20677051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20677053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20677051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446173 + ... + 3446178.

It is an arithmetic number, because the mean of its divisors is an integer number (6892352).

Almost surely, 2^20677053 is an apocalyptic number.

It is an amenable number.

20677053 is a deficient number, since it is larger than the sum of its proper divisors (6892355).

20677053 is an equidigital number, since it uses as much as digits as its factorization.

20677053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892354.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 20677053 is about 4547.2027665368. The cubic root of 20677053 is about 274.4708413923.

The spelling of 20677053 in words is "twenty million, six hundred seventy-seven thousand, fifty-three".