22022001211020 has 96 divisors (see below), whose sum is σ = 61859494609920. Its totient is φ = 5853711060480.

The previous prime is 22022001210977. The next prime is 22022001211027. The reversal of 22022001211020 is 2011210022022.

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

It is not an unprimeable number, because it can be changed into a prime (22022001211027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28818799 + ... + 29573081.

It is an arithmetic number, because the mean of its divisors is an integer number (644369735520).

Almost surely, 2^{22022001211020} is an apocalyptic number.

22022001211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022001211020 is an abundant number, since it is smaller than the sum of its proper divisors (39837493398900).

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

22022001211020 is a wasteful number, since it uses less digits than its factorization.

22022001211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755855 (or 755853 counting only the distinct ones).

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

Adding to 22022001211020 its reverse (2011210022022), we get a palindrome (24033211233042).

The spelling of 22022001211020 in words is "twenty-two trillion, twenty-two billion, one million, two hundred eleven thousand, twenty".