20000001112020 has 72 divisors (see below), whose sum is σ = 63304351358976. Its totient is φ = 5101449557952.

The previous prime is 20000001111989. The next prime is 20000001112027. The reversal of 20000001112020 is 2021110000002.

It is a super-3 number, since 3×20000001112020³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000001111993 and 20000001112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000001112027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2415454932 + ... + 2415463211.

It is an arithmetic number, because the mean of its divisors is an integer number (879227102208).

Almost surely, 2^{20000001112020} is an apocalyptic number.

20000001112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000001112020 is an abundant number, since it is smaller than the sum of its proper divisors (43304350246956).

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

20000001112020 is a wasteful number, since it uses less digits than its factorization.

20000001112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830918181 (or 4830918176 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000001112020 its reverse (2021110000002), we get a palindrome (22021111112022).

The spelling of 20000001112020 in words is "twenty trillion, one million, one hundred twelve thousand, twenty".