2061329920 has 160 divisors (see below), whose sum is σ = 5556019392. Its totient is φ = 727744512.

The previous prime is 2061329887. The next prime is 2061329927. The reversal of 2061329920 is 299231602.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061329927) 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, 764094 + ... + 766786.

Almost surely, 2^2061329920 is an apocalyptic number.

2061329920 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 2061329920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778009696).

2061329920 is an abundant number, since it is smaller than the sum of its proper divisors (3494689472).

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

2061329920 is a wasteful number, since it uses less digits than its factorization.

2061329920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2061329920 is about 45401.8713270720. The cubic root of 2061329920 is about 1272.6700845547.

The spelling of 2061329920 in words is "two billion, sixty-one million, three hundred twenty-nine thousand, nine hundred twenty".