20029353 has 4 divisors (see below), whose sum is σ = 26705808. Its totient is φ = 13352900.

The previous prime is 20029337. The next prime is 20029381. The reversal of 20029353 is 35392002.

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 a cyclic number.

It is not a de Polignac number, because 20029353 - 2⁴ = 20029337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20029393) 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, 3338223 + ... + 3338228.

It is an arithmetic number, because the mean of its divisors is an integer number (6676452).

Almost surely, 2^20029353 is an apocalyptic number.

It is an amenable number.

20029353 is a deficient number, since it is larger than the sum of its proper divisors (6676455).

20029353 is an equidigital number, since it uses as much as digits as its factorization.

20029353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676454.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 20029353 is about 4475.4165169289. The cubic root of 20029353 is about 271.5744905813.

The spelling of 20029353 in words is "twenty million, twenty-nine thousand, three hundred fifty-three".