20202211211120 has 80 divisors (see below), whose sum is σ = 49734262116000. Its totient is φ = 7605359173632.

The previous prime is 20202211211101. The next prime is 20202211211129. The reversal of 20202211211120 is 2111211220202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202211211129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67078631 + ... + 67379129.

It is an arithmetic number, because the mean of its divisors is an integer number (621678276450).

Almost surely, 2^{20202211211120} is an apocalyptic number.

20202211211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202211211120 is an abundant number, since it is smaller than the sum of its proper divisors (29532050904880).

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

20202211211120 is a wasteful number, since it uses less digits than its factorization.

20202211211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349962 (or 349956 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20202211211120 its reverse (2111211220202), we get a palindrome (22313422431322).

The spelling of 20202211211120 in words is "twenty trillion, two hundred two billion, two hundred eleven million, two hundred eleven thousand, one hundred twenty".