20020212211222 has 32 divisors (see below), whose sum is σ = 31646394172800. Its totient is φ = 9472604393088.

The previous prime is 20020212211193. The next prime is 20020212211273. The reversal of 20020212211222 is 22211221202002.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20020212211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126834553 + ... + 126992299.

It is an arithmetic number, because the mean of its divisors is an integer number (988949817900).

Almost surely, 2^{20020212211222} is an apocalyptic number.

20020212211222 is a deficient number, since it is larger than the sum of its proper divisors (11626181961578).

20020212211222 is a wasteful number, since it uses less digits than its factorization.

20020212211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161500.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20020212211222 its reverse (22211221202002), we get a palindrome (42231433413224).

The spelling of 20020212211222 in words is "twenty trillion, twenty billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty-two".