20846130 has 16 divisors (see below), whose sum is σ = 50030784. Its totient is φ = 5558960.

The previous prime is 20846129. The next prime is 20846153. The reversal of 20846130 is 3164802.

It is a happy number.

It is a super-2 number, since 2×20846130² = 869122271953800, 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 20846130.

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, 347406 + ... + 347465.

It is an arithmetic number, because the mean of its divisors is an integer number (3126924).

Almost surely, 2^20846130 is an apocalyptic number.

20846130 is an abundant number, since it is smaller than the sum of its proper divisors (29184654).

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

20846130 is a wasteful number, since it uses less digits than its factorization.

20846130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694881.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20846130 is about 4565.7562352802. The cubic root of 20846130 is about 275.2169307599.

The spelling of 20846130 in words is "twenty million, eight hundred forty-six thousand, one hundred thirty".