202340100430 has 32 divisors (see below), whose sum is σ = 412872112800. Its totient is φ = 70778074752.

The previous prime is 202340100397. The next prime is 202340100437. The reversal of 202340100430 is 34001043202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 202340100398 and 202340100407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202340100437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40957065 + ... + 40962004.

It is an arithmetic number, because the mean of its divisors is an integer number (12902253525).

Almost surely, 2^202340100430 is an apocalyptic number.

202340100430 is an abundant number, since it is smaller than the sum of its proper divisors (210532012370).

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

202340100430 is a wasteful number, since it uses less digits than its factorization.

202340100430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81919108.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 202340100430 its reverse (34001043202), we get a palindrome (236341143632).

The spelling of 202340100430 in words is "two hundred two billion, three hundred forty million, one hundred thousand, four hundred thirty".