22012011012020 has 12 divisors (see below), whose sum is σ = 46225223125284. Its totient is φ = 8804804404800.

The previous prime is 22012011011999. The next prime is 22012011012071. The reversal of 22012011012020 is 2021011021022.

It can be written as a sum of positive squares in 2 ways, for example, as 5468544834064 + 16543466177956 = 2338492^2 + 4067366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22012011011986 and 22012011012004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550300275281 + ... + 550300275320.

It is an arithmetic number, because the mean of its divisors is an integer number (3852101927107).

Almost surely, 2^{22012011012020} is an apocalyptic number.

22012011012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012011012020 is an abundant number, since it is smaller than the sum of its proper divisors (24213212113264).

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

22012011012020 is a wasteful number, since it uses less digits than its factorization.

22012011012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100600550610 (or 1100600550608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22012011012020 its reverse (2021011021022), we get a palindrome (24033022033042).

The spelling of 22012011012020 in words is "twenty-two trillion, twelve billion, eleven million, twelve thousand, twenty".