20059650 has 144 divisors (see below), whose sum is σ = 60662784. Its totient is φ = 4898880.

The previous prime is 20059639. The next prime is 20059673. The reversal of 20059650 is 5695002.

20059650 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 9 + 650 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 157887 + ... + 158013.

Almost surely, 2^20059650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20059650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30331392).

20059650 is an abundant number, since it is smaller than the sum of its proper divisors (40603134).

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

20059650 is a wasteful number, since it uses less digits than its factorization.

20059650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 20059650 is about 4478.8000625167. The cubic root of 20059650 is about 271.7113521703.

The spelling of 20059650 in words is "twenty million, fifty-nine thousand, six hundred fifty".