20046260 has 24 divisors (see below), whose sum is σ = 45335976. Its totient is φ = 7401600.

The previous prime is 20046233. The next prime is 20046263. The reversal of 20046260 is 6264002.

It can be written as a sum of positive squares in 4 ways, for example, as 2439844 + 17606416 = 1562^2 + 4196^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046263) 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, 38291 + ... + 38810.

It is an arithmetic number, because the mean of its divisors is an integer number (1888999).

Almost surely, 2^20046260 is an apocalyptic number.

20046260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20046260 is an abundant number, since it is smaller than the sum of its proper divisors (25289716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20046260 is a wasteful number, since it uses less digits than its factorization.

20046260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77123 (or 77121 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20046260 is about 4477.3049929617. The cubic root of 20046260 is about 271.6508821086.

The spelling of 20046260 in words is "twenty million, forty-six thousand, two hundred sixty".