20020220220100 has 72 divisors (see below), whose sum is σ = 43596654510528. Its totient is φ = 7979971958400.

The previous prime is 20020220220071. The next prime is 20020220220101. The reversal of 20020220220100 is 102202202002.

It is a super-2 number, since 2×20020220220100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020220220101) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 35023585 + ... + 35590615.

It is an arithmetic number, because the mean of its divisors is an integer number (605509090424).

Almost surely, 2^{20020220220100} is an apocalyptic number.

20020220220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020220220100 is an abundant number, since it is smaller than the sum of its proper divisors (23576434290428).

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

20020220220100 is a wasteful number, since it uses less digits than its factorization.

20020220220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568285 (or 568278 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020220220100 its reverse (102202202002), we get a palindrome (20122422422102).

The spelling of 20020220220100 in words is "twenty trillion, twenty billion, two hundred twenty million, two hundred twenty thousand, one hundred".