20551035230 has 16 divisors (see below), whose sum is σ = 40354760304. Its totient is φ = 7473103680.

The previous prime is 20551035137. The next prime is 20551035257. The reversal of 20551035230 is 3253015502.

It is a self number, because there is not a number n which added to its sum of digits gives 20551035230.

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, 93413687 + ... + 93413906.

It is an arithmetic number, because the mean of its divisors is an integer number (2522172519).

Almost surely, 2^20551035230 is an apocalyptic number.

20551035230 is a deficient number, since it is larger than the sum of its proper divisors (19803725074).

20551035230 is a wasteful number, since it uses less digits than its factorization.

20551035230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186827611.

The product of its (nonzero) digits is 4500, while the sum is 26.

The spelling of 20551035230 in words is "twenty billion, five hundred fifty-one million, thirty-five thousand, two hundred thirty".