20235522066 has 8 divisors (see below), whose sum is σ = 40471044144. Its totient is φ = 6745174020.

The previous prime is 20235522007. The next prime is 20235522089. The reversal of 20235522066 is 66022553202.

It is a sphenic number, since it is the product of 3 distinct primes.

20235522066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686293500 + ... + 1686293511.

It is an arithmetic number, because the mean of its divisors is an integer number (5058880518).

Almost surely, 2^20235522066 is an apocalyptic number.

20235522066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20235522066 is a wasteful number, since it uses less digits than its factorization.

20235522066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372587016.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 20235522066 in words is "twenty billion, two hundred thirty-five million, five hundred twenty-two thousand, sixty-six".