20022111212202 has 128 divisors (see below), whose sum is σ = 51155212032000. Its totient is φ = 5740987674240.

The previous prime is 20022111212119. The next prime is 20022111212239. The reversal of 20022111212202 is 20221211122002.

It is a happy number.

20022111212202 is a `hidden beast` number, since 20 + 0 + 221 + 11 + 212 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8210574 + ... + 10366182.

It is an arithmetic number, because the mean of its divisors is an integer number (399650094000).

Almost surely, 2^{20022111212202} is an apocalyptic number.

20022111212202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022111212202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25577606016000).

20022111212202 is an abundant number, since it is smaller than the sum of its proper divisors (31133100819798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022111212202 is a wasteful number, since it uses less digits than its factorization.

20022111212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156473 (or 2156467 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20022111212202 its reverse (20221211122002), we get a palindrome (40243322334204).

The spelling of 20022111212202 in words is "twenty trillion, twenty-two billion, one hundred eleven million, two hundred twelve thousand, two hundred two".