2000720502 has 48 divisors (see below), whose sum is σ = 4795614720. Its totient is φ = 597735600.

The previous prime is 2000720489. The next prime is 2000720509. The reversal of 2000720502 is 2050270002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000720509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57102 + ... + 85217.

It is an arithmetic number, because the mean of its divisors is an integer number (99908640).

Almost surely, 2^2000720502 is an apocalyptic number.

2000720502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2000720502 is an abundant number, since it is smaller than the sum of its proper divisors (2794894218).

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

2000720502 is a wasteful number, since it uses less digits than its factorization.

2000720502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142409 (or 142406 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2000720502 is about 44729.4142818794. The cubic root of 2000720502 is about 1260.0723276697.

Adding to 2000720502 its reverse (2050270002), we get a palindrome (4050990504).

The spelling of 2000720502 in words is "two billion, seven hundred twenty thousand, five hundred two".