20012122022010 has 16 divisors (see below), whose sum is σ = 48029092852896. Its totient is φ = 5336565872528.

The previous prime is 20012122021963. The next prime is 20012122022047. The reversal of 20012122022010 is 1022022121002.

It is a super-2 number, since 2×20012122022010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333535367004 + ... + 333535367063.

It is an arithmetic number, because the mean of its divisors is an integer number (3001818303306).

Almost surely, 2^{20012122022010} is an apocalyptic number.

20012122022010 is an abundant number, since it is smaller than the sum of its proper divisors (28016970830886).

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

20012122022010 is a wasteful number, since it uses less digits than its factorization.

20012122022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667070734077.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20012122022010 its reverse (1022022121002), we get a palindrome (21034144143012).

The spelling of 20012122022010 in words is "twenty trillion, twelve billion, one hundred twenty-two million, twenty-two thousand, ten".