20035069 has 4 divisors (see below), whose sum is σ = 20309596. Its totient is φ = 19760544.

The previous prime is 20035051. The next prime is 20035109. The reversal of 20035069 is 96053002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 11303044 = 2955^2 + 3362^2 .

It is a cyclic number.

It is not a de Polignac number, because 20035069 - 2⁷ = 20034941 is a prime.

It is a super-2 number, since 2×20035069² = 802807979669522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035039) 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, 137154 + ... + 137299.

It is an arithmetic number, because the mean of its divisors is an integer number (5077399).

Almost surely, 2^20035069 is an apocalyptic number.

It is an amenable number.

20035069 is a deficient number, since it is larger than the sum of its proper divisors (274527).

20035069 is an equidigital number, since it uses as much as digits as its factorization.

20035069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274526.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 20035069 is about 4476.0550711536. The cubic root of 20035069 is about 271.6003222052.

The spelling of 20035069 in words is "twenty million, thirty-five thousand, sixty-nine".