20403010230 has 32 divisors (see below), whose sum is σ = 50106000384. Its totient is φ = 5314272096.

The previous prime is 20403010219. The next prime is 20403010249. The reversal of 20403010230 is 3201030402.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 7906854 + ... + 7909433.

It is an arithmetic number, because the mean of its divisors is an integer number (1565812512).

Almost surely, 2^20403010230 is an apocalyptic number.

20403010230 is an abundant number, since it is smaller than the sum of its proper divisors (29702990154).

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

20403010230 is a wasteful number, since it uses less digits than its factorization.

20403010230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15816340.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20403010230 its reverse (3201030402), we get a palindrome (23604040632).

The spelling of 20403010230 in words is "twenty billion, four hundred three million, ten thousand, two hundred thirty".