2029559680 has 32 divisors (see below), whose sum is σ = 4851917640. Its totient is φ = 811823616.

The previous prime is 2029559663. The next prime is 2029559681. The reversal of 2029559680 is 869559202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2029559680² = 8238224989363404800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2029559680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029559681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584954 + ... + 1586233.

Almost surely, 2^2029559680 is an apocalyptic number.

2029559680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2029559680 is an abundant number, since it is smaller than the sum of its proper divisors (2822357960).

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

2029559680 is an equidigital number, since it uses as much as digits as its factorization.

2029559680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171206 (or 3171194 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 2029559680 is about 45050.6346237209. The cubic root of 2029559680 is about 1266.0978621877.

The spelling of 2029559680 in words is "two billion, twenty-nine million, five hundred fifty-nine thousand, six hundred eighty".