20065270 has 48 divisors (see below), whose sum is σ = 39389328. Its totient is φ = 7354880.

The previous prime is 20065267. The next prime is 20065301. The reversal of 20065270 is 7256002.

20065270 = 196² + 197² + ... + 407².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153105 + ... + 153235.

It is an arithmetic number, because the mean of its divisors is an integer number (820611).

Almost surely, 2^20065270 is an apocalyptic number.

20065270 is a deficient number, since it is larger than the sum of its proper divisors (19324058).

20065270 is a wasteful number, since it uses less digits than its factorization.

20065270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20065270 is about 4479.4274187668. The cubic root of 20065270 is about 271.7367244179.

The spelling of 20065270 in words is "twenty million, sixty-five thousand, two hundred seventy".