20070269 has 8 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 19464256.

The previous prime is 20070257. The next prime is 20070307. The reversal of 20070269 is 96207002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20070269 is a prime.

It is a super-2 number, since 2×20070269² = 805631395464722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070229) 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, 3422 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^20070269 is an apocalyptic number.

It is an amenable number.

20070269 is a deficient number, since it is larger than the sum of its proper divisors (613891).

20070269 is a wasteful number, since it uses less digits than its factorization.

20070269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20070269 is about 4479.9853794404. The cubic root of 20070269 is about 271.7592890962.

The spelling of 20070269 in words is "twenty million, seventy thousand, two hundred sixty-nine".