20012232422 has 64 divisors (see below), whose sum is σ = 38261583360. Its totient is φ = 7639398144.

The previous prime is 20012232419. The next prime is 20012232433. The reversal of 20012232422 is 22423221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012232394 and 20012232403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 634154 + ... + 664962.

It is an arithmetic number, because the mean of its divisors is an integer number (597837240).

Almost surely, 2^20012232422 is an apocalyptic number.

20012232422 is a deficient number, since it is larger than the sum of its proper divisors (18249350938).

20012232422 is a wasteful number, since it uses less digits than its factorization.

20012232422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30957.

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

Adding to 20012232422 its reverse (22423221002), we get a palindrome (42435453424).

The spelling of 20012232422 in words is "twenty billion, twelve million, two hundred thirty-two thousand, four hundred twenty-two".