20246630 has 16 divisors (see below), whose sum is σ = 36501840. Its totient is φ = 8085792.

The previous prime is 20246621. The next prime is 20246657. The reversal of 20246630 is 3664202.

It is a junction number, because it is equal to n+sod(n) for n = 20246596 and 20246605.

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, 7412 + ... + 9768.

It is an arithmetic number, because the mean of its divisors is an integer number (2281365).

Almost surely, 2^20246630 is an apocalyptic number.

20246630 is a deficient number, since it is larger than the sum of its proper divisors (16255210).

20246630 is a wasteful number, since it uses less digits than its factorization.

20246630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20246630 is about 4499.6255399755. The cubic root of 20246630 is about 272.5529678480.

The spelling of 20246630 in words is "twenty million, two hundred forty-six thousand, six hundred thirty".