20046365 has 8 divisors (see below), whose sum is σ = 24099768. Its totient is φ = 16007680.

The previous prime is 20046347. The next prime is 20046373. The reversal of 20046365 is 56364002.

It can be written as a sum of positive squares in 4 ways, for example, as 5285401 + 14760964 = 2299^2 + 3842^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-20046365 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416 + ... + 6345.

It is an arithmetic number, because the mean of its divisors is an integer number (3012471).

Almost surely, 2^20046365 is an apocalyptic number.

It is an amenable number.

20046365 is a deficient number, since it is larger than the sum of its proper divisors (4053403).

20046365 is an equidigital number, since it uses as much as digits as its factorization.

20046365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7359.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20046365 is about 4477.3167187502. The cubic root of 20046365 is about 271.6513563998.

The spelling of 20046365 in words is "twenty million, forty-six thousand, three hundred sixty-five".