2000000120020 has 384 divisors, whose sum is σ = 5177128320000. Its totient is φ = 647801763840.

The previous prime is 2000000120003. The next prime is 2000000120023. The reversal of 2000000120020 is 200210000002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 2000000119985 and 2000000120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000000120023) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2412544966 + ... + 2412545794.

It is an arithmetic number, because the mean of its divisors is an integer number (13482105000).

Almost surely, 2^{2000000120020} is an apocalyptic number.

2000000120020 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 2000000120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2588564160000).

2000000120020 is an abundant number, since it is smaller than the sum of its proper divisors (3177128199980).

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

2000000120020 is a wasteful number, since it uses less digits than its factorization.

2000000120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 2000000120020 its reverse (200210000002), we get a palindrome (2200210120022).

The spelling of 2000000120020 in words is "two trillion, one hundred twenty thousand, twenty".