20212422204 has 192 divisors, whose sum is σ = 55896220800. Its totient is φ = 5624758272.

The previous prime is 20212422199. The next prime is 20212422253. The reversal of 20212422204 is 40222421202.

It is a super-2 number, since 2×20212422204² (a number of 21 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 63 ways as a sum of consecutive naturals, for example, 20687764 + ... + 20688740.

It is an arithmetic number, because the mean of its divisors is an integer number (291126150).

Almost surely, 2^20212422204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212422204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27948110400).

20212422204 is an abundant number, since it is smaller than the sum of its proper divisors (35683798596).

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

20212422204 is a wasteful number, since it uses less digits than its factorization.

20212422204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20212422204 its reverse (40222421202), we get a palindrome (60434843406).

The spelling of 20212422204 in words is "twenty billion, two hundred twelve million, four hundred twenty-two thousand, two hundred four".