20020211220020 has 48 divisors (see below), whose sum is σ = 46729851533568. Its totient is φ = 7142716863360.

The previous prime is 20020211220019. The next prime is 20020211220071. The reversal of 20020211220020 is 2002211202002.

It is a junction number, because it is equal to n+sod(n) for n = 20020211219977 and 20020211220004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858487964 + ... + 858511283.

It is an arithmetic number, because the mean of its divisors is an integer number (973538573616).

Almost surely, 2^{20020211220020} is an apocalyptic number.

20020211220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020211220020 is an abundant number, since it is smaller than the sum of its proper divisors (26709640313548).

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

20020211220020 is a wasteful number, since it uses less digits than its factorization.

20020211220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716999320 (or 1716999318 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20020211220020 its reverse (2002211202002), we get a palindrome (22022422422022).

The spelling of 20020211220020 in words is "twenty trillion, twenty billion, two hundred eleven million, two hundred twenty thousand, twenty".