20210244430 has 32 divisors (see below), whose sum is σ = 37256200128. Its totient is φ = 7891296000.

The previous prime is 20210244421. The next prime is 20210244437. The reversal of 20210244430 is 3444201202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210244437) 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, 69207 + ... + 212626.

It is an arithmetic number, because the mean of its divisors is an integer number (1164256254).

Almost surely, 2^20210244430 is an apocalyptic number.

20210244430 is a deficient number, since it is larger than the sum of its proper divisors (17045955698).

20210244430 is a wasteful number, since it uses less digits than its factorization.

20210244430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282012.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20210244430 its reverse (3444201202), we get a palindrome (23654445632).

The spelling of 20210244430 in words is "twenty billion, two hundred ten million, two hundred forty-four thousand, four hundred thirty".