20202211222020 has 96 divisors (see below), whose sum is σ = 62858374669440. Its totient is φ = 5386651966080.

The previous prime is 20202211222013. The next prime is 20202211222097. The reversal of 20202211222020 is 2022211220202.

20202211222020 is a `hidden beast` number, since 202 + 0 + 221 + 1 + 2 + 220 + 20 = 666.

It is a super-2 number, since 2×20202211222020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20202211221984 and 20202211222002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2729815 + ... + 6917825.

It is an arithmetic number, because the mean of its divisors is an integer number (654774736140).

Almost surely, 2^{20202211222020} is an apocalyptic number.

20202211222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202211222020 is an abundant number, since it is smaller than the sum of its proper divisors (42656163447420).

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

20202211222020 is a wasteful number, since it uses less digits than its factorization.

20202211222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196962 (or 4196954 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20202211222020 its reverse (2022211220202), we get a palindrome (22224422442222).

The spelling of 20202211222020 in words is "twenty trillion, two hundred two billion, two hundred eleven million, two hundred twenty-two thousand, twenty".