20020020220020 has 96 divisors (see below), whose sum is σ = 58820055275520. Its totient is φ = 5078027574400.

The previous prime is 20020020219971. The next prime is 20020020220021. The reversal of 20020020220020 is 2002202002002.

It is a super-2 number, since 2×20020020220020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20020020219978 and 20020020220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020020220021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40276056 + ... + 40770095.

It is an arithmetic number, because the mean of its divisors is an integer number (612708909120).

Almost surely, 2^{20020020220020} is an apocalyptic number.

20020020220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020020220020 is an abundant number, since it is smaller than the sum of its proper divisors (38800035055500).

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

20020020220020 is a wasteful number, since it uses less digits than its factorization.

20020020220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81046365 (or 81046363 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20020020220020 its reverse (2002202002002), we get a palindrome (22022222222022).

The spelling of 20020020220020 in words is "twenty trillion, twenty billion, twenty million, two hundred twenty thousand, twenty".