2000422642640 has 40 divisors (see below), whose sum is σ = 4651949075400. Its totient is φ = 800002789376.

The previous prime is 2000422642583. The next prime is 2000422642649. The reversal of 2000422642640 is 462462240002.

It can be written as a sum of positive squares in 4 ways, for example, as 173232428944 + 1827190213696 = 416212^2 + 1351736^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2000422642640² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2000422642597 and 2000422642606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000422642649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2210165 + ... + 2980884.

It is an arithmetic number, because the mean of its divisors is an integer number (116298726885).

Almost surely, 2^{2000422642640} is an apocalyptic number.

2000422642640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000422642640 is an abundant number, since it is smaller than the sum of its proper divisors (2651526432760).

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

2000422642640 is a wasteful number, since it uses less digits than its factorization.

2000422642640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195879 (or 5195873 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2000422642640 its reverse (462462240002), we get a palindrome (2462884882642).

The spelling of 2000422642640 in words is "two trillion, four hundred twenty-two million, six hundred forty-two thousand, six hundred forty".