2000017577720 has 64 divisors (see below), whose sum is σ = 4528304222400. Its totient is φ = 794984995840.

The previous prime is 2000017577711. The next prime is 2000017577729. The reversal of 2000017577720 is 277757100002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000017577711) and next prime (2000017577729).

It is a super-2 number, since 2×2000017577720² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000017577729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23879276 + ... + 23962884.

It is an arithmetic number, because the mean of its divisors is an integer number (70754753475).

Almost surely, 2^{2000017577720} is an apocalyptic number.

2000017577720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000017577720 is an abundant number, since it is smaller than the sum of its proper divisors (2528286644680).

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

2000017577720 is a wasteful number, since it uses less digits than its factorization.

2000017577720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87368 (or 87364 counting only the distinct ones).

The product of its (nonzero) digits is 48020, while the sum is 38.

The spelling of 2000017577720 in words is "two trillion, seventeen million, five hundred seventy-seven thousand, seven hundred twenty".