20065246 has 16 divisors (see below), whose sum is σ = 32421888. Its totient is φ = 9286200.

The previous prime is 20065237. The next prime is 20065247. The reversal of 20065246 is 64256002.

It is a super-2 number, since 2×20065246² = 805228194081032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20065246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065247) 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, 5610 + ... + 8461.

It is an arithmetic number, because the mean of its divisors is an integer number (2026368).

Almost surely, 2^20065246 is an apocalyptic number.

20065246 is a deficient number, since it is larger than the sum of its proper divisors (12356642).

20065246 is a wasteful number, since it uses less digits than its factorization.

20065246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 20065246 is about 4479.4247398522. The cubic root of 20065246 is about 271.7366160767.

The spelling of 20065246 in words is "twenty million, sixty-five thousand, two hundred forty-six".