20203010430 has 16 divisors (see below), whose sum is σ = 48487225104. Its totient is φ = 5387469440.

The previous prime is 20203010339. The next prime is 20203010447. The reversal of 20203010430 is 3401030202.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336716811 + ... + 336716870.

It is an arithmetic number, because the mean of its divisors is an integer number (3030451569).

Almost surely, 2^20203010430 is an apocalyptic number.

20203010430 is an abundant number, since it is smaller than the sum of its proper divisors (28284214674).

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

20203010430 is a wasteful number, since it uses less digits than its factorization.

20203010430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673433691.

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

Adding to 20203010430 its reverse (3401030202), we get a palindrome (23604040632).

The spelling of 20203010430 in words is "twenty billion, two hundred three million, ten thousand, four hundred thirty".