20213022430 has 16 divisors (see below), whose sum is σ = 36413211744. Its totient is φ = 8078593120.

The previous prime is 20213022421. The next prime is 20213022443. The reversal of 20213022430 is 3422031202.

20213022430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 20213022398 and 20213022407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814141 + ... + 838600.

It is an arithmetic number, because the mean of its divisors is an integer number (2275825734).

Almost surely, 2^20213022430 is an apocalyptic number.

20213022430 is a deficient number, since it is larger than the sum of its proper divisors (16200189314).

20213022430 is a wasteful number, since it uses less digits than its factorization.

20213022430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653971.

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

Adding to 20213022430 its reverse (3422031202), we get a palindrome (23635053632).

The spelling of 20213022430 in words is "twenty billion, two hundred thirteen million, twenty-two thousand, four hundred thirty".