2029397720 has 96 divisors (see below), whose sum is σ = 5347594080. Its totient is φ = 691084800.

The previous prime is 2029397707. The next prime is 2029397723. The reversal of 2029397720 is 277939202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029397723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292532 + ... + 299388.

It is an arithmetic number, because the mean of its divisors is an integer number (55704105).

Almost surely, 2^2029397720 is an apocalyptic number.

2029397720 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 2029397720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673797040).

2029397720 is an abundant number, since it is smaller than the sum of its proper divisors (3318196360).

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

2029397720 is a wasteful number, since it uses less digits than its factorization.

2029397720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033 (or 7022 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 2029397720 is about 45048.8370549119. The cubic root of 2029397720 is about 1266.0641828521.

The spelling of 2029397720 in words is "two billion, twenty-nine million, three hundred ninety-seven thousand, seven hundred twenty".