2066204550 has 24 divisors (see below), whose sum is σ = 5124187656. Its totient is φ = 550987840.

The previous prime is 2066204549. The next prime is 2066204597. The reversal of 2066204550 is 554026602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent 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, 6887199 + ... + 6887498.

It is an arithmetic number, because the mean of its divisors is an integer number (213507819).

Almost surely, 2^2066204550 is an apocalyptic number.

2066204550 is an abundant number, since it is smaller than the sum of its proper divisors (3057983106).

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

2066204550 is a wasteful number, since it uses less digits than its factorization.

2066204550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13774712 (or 13774707 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2066204550 is about 45455.5227667662. The cubic root of 2066204550 is about 1273.6724975901.

The spelling of 2066204550 in words is "two billion, sixty-six million, two hundred four thousand, five hundred fifty".