2113003000020 has 192 divisors, whose sum is σ = 6494197441536. Its totient is φ = 509081886720.

The previous prime is 2113003000013. The next prime is 2113003000027. The reversal of 2113003000020 is 200003003112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2113003000013) and next prime (2113003000027).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113003000027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86433919 + ... + 86458361.

It is an arithmetic number, because the mean of its divisors is an integer number (33823945008).

Almost surely, 2^{2113003000020} is an apocalyptic number.

2113003000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113003000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3247098720768).

2113003000020 is an abundant number, since it is smaller than the sum of its proper divisors (4381194441516).

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

2113003000020 is a wasteful number, since it uses less digits than its factorization.

2113003000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25270 (or 25268 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 2113003000020 its reverse (200003003112), we get a palindrome (2313006003132).

The spelling of 2113003000020 in words is "two trillion, one hundred thirteen billion, three million, twenty", and thus it is an aban number.