20202211220202 has 48 divisors (see below), whose sum is σ = 49826797645248. Its totient is φ = 5855713395840.

The previous prime is 20202211220143. The next prime is 20202211220209.

20202211220202 is a `hidden beast` number, since 2 + 0 + 20 + 221 + 1 + 220 + 202 = 666.

20202211220202 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (20202211220209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2218068703 + ... + 2218077810.

It is an arithmetic number, because the mean of its divisors is an integer number (1038058284276).

Almost surely, 2^{20202211220202} is an apocalyptic number.

20202211220202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20202211220202 is an abundant number, since it is smaller than the sum of its proper divisors (29624586425046).

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

20202211220202 is a wasteful number, since it uses less digits than its factorization.

20202211220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436146555 (or 4436146552 counting only the distinct ones).

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

It can be divided in two parts, 2020221 and 1220202, that added together give a palindrome (3240423).

The spelling of 20202211220202 in words is "twenty trillion, two hundred two billion, two hundred eleven million, two hundred twenty thousand, two hundred two".