20022213011312 has 20 divisors (see below), whose sum is σ = 39260423708520. Its totient is φ = 9890490763968.

The previous prime is 20022213011287. The next prime is 20022213011321. The reversal of 20022213011312 is 21311031222002.

It is a super-2 number, since 2×20022213011312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7538482487 + ... + 7538485142.

It is an arithmetic number, because the mean of its divisors is an integer number (1963021185426).

Almost surely, 2^{20022213011312} is an apocalyptic number.

It is an amenable number.

20022213011312 is a deficient number, since it is larger than the sum of its proper divisors (19238210697208).

20022213011312 is a wasteful number, since it uses less digits than its factorization.

20022213011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15076967720 (or 15076967714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20022213011312 its reverse (21311031222002), we get a palindrome (41333244233314).

The spelling of 20022213011312 in words is "twenty trillion, twenty-two billion, two hundred thirteen million, eleven thousand, three hundred twelve".