20210422430 has 32 divisors (see below), whose sum is σ = 39893741568. Its totient is φ = 7310759200.

The previous prime is 20210422429. The next prime is 20210422439. The reversal of 20210422430 is 3422401202.

It is a super-2 number, since 2×20210422430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210422439) 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, 459962 + ... + 501981.

It is an arithmetic number, because the mean of its divisors is an integer number (1246679424).

Almost surely, 2^20210422430 is an apocalyptic number.

20210422430 is a deficient number, since it is larger than the sum of its proper divisors (19683319138).

20210422430 is a wasteful number, since it uses less digits than its factorization.

20210422430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962152.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20210422430 its reverse (3422401202), we get a palindrome (23632823632).

The spelling of 20210422430 in words is "twenty billion, two hundred ten million, four hundred twenty-two thousand, four hundred thirty".