20212310422 has 4 divisors (see below), whose sum is σ = 30318465636. Its totient is φ = 10106155210.

The previous prime is 20212310407. The next prime is 20212310423. The reversal of 20212310422 is 22401321202.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20212310422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212310423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053077604 + ... + 5053077607.

It is an arithmetic number, because the mean of its divisors is an integer number (7579616409).

Almost surely, 2^20212310422 is an apocalyptic number.

20212310422 is a deficient number, since it is larger than the sum of its proper divisors (10106155214).

20212310422 is a wasteful number, since it uses less digits than its factorization.

20212310422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106155213.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20212310422 its reverse (22401321202), we get a palindrome (42613631624).

The spelling of 20212310422 in words is "twenty billion, two hundred twelve million, three hundred ten thousand, four hundred twenty-two".