2000000311020 has 144 divisors (see below), whose sum is σ = 6375530921760. Its totient is φ = 506851043328.

The previous prime is 2000000311019. The next prime is 2000000311021. The reversal of 2000000311020 is 201130000002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000000311019) and next prime (2000000311021).

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 = 2000000310993 and 2000000311011.

It is not an unprimeable number, because it can be changed into a prime (2000000311021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3205485 + ... + 3778244.

It is an arithmetic number, because the mean of its divisors is an integer number (44274520290).

Almost surely, 2^{2000000311020} is an apocalyptic number.

2000000311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000000311020 is an abundant number, since it is smaller than the sum of its proper divisors (4375530610740).

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

2000000311020 is a wasteful number, since it uses less digits than its factorization.

2000000311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983824 (or 6983819 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 2000000311020 its reverse (201130000002), we get a palindrome (2201130311022).

The spelling of 2000000311020 in words is "two trillion, three hundred eleven thousand, twenty".