20413850 has 24 divisors (see below), whose sum is σ = 38435040. Its totient is φ = 8065520.

The previous prime is 20413831. The next prime is 20413867. The reversal of 20413850 is 5831402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1691 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (1601460).

Almost surely, 2^20413850 is an apocalyptic number.

20413850 is a deficient number, since it is larger than the sum of its proper divisors (18021190).

20413850 is a wasteful number, since it uses less digits than its factorization.

20413850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014 (or 5009 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20413850 is about 4518.1688768792. The cubic root of 20413850 is about 273.3012636709.

The spelling of 20413850 in words is "twenty million, four hundred thirteen thousand, eight hundred fifty".