20221022012 has 12 divisors (see below), whose sum is σ = 35388388560. Its totient is φ = 10110053856.

The previous prime is 20221021999. The next prime is 20221022027. The reversal of 20221022012 is 21022012202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648 + ... + 201119.

It is an arithmetic number, because the mean of its divisors is an integer number (2949032380).

Almost surely, 2^20221022012 is an apocalyptic number.

It is an amenable number.

20221022012 is a deficient number, since it is larger than the sum of its proper divisors (15167366548).

20221022012 is a wasteful number, since it uses less digits than its factorization.

20221022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228580 (or 228578 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20221022012 its reverse (21022012202), we get a palindrome (41243034214).

It can be divided in two parts, 202 and 21022012, that multiplied together give a palindrome (4246446424).

The spelling of 20221022012 in words is "twenty billion, two hundred twenty-one million, twenty-two thousand, twelve".