20629083 has 4 divisors (see below), whose sum is σ = 27505448. Its totient is φ = 13752720.

The previous prime is 20629073. The next prime is 20629097. The reversal of 20629083 is 38092602.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20629083 - 2⁴ = 20629067 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 20629083.

It is not an unprimeable number, because it can be changed into a prime (20629073) 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, 3438178 + ... + 3438183.

It is an arithmetic number, because the mean of its divisors is an integer number (6876362).

Almost surely, 2^20629083 is an apocalyptic number.

20629083 is a deficient number, since it is larger than the sum of its proper divisors (6876365).

20629083 is an equidigital number, since it uses as much as digits as its factorization.

20629083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876364.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 20629083 is about 4541.9250324064. The cubic root of 20629083 is about 274.2584229651.

The spelling of 20629083 in words is "twenty million, six hundred twenty-nine thousand, eighty-three".