2002797500 has 120 divisors (see below), whose sum is σ = 4853646336. Its totient is φ = 716760000.

The previous prime is 2002797497. The next prime is 2002797529. The reversal of 2002797500 is 57972002.

It is a super-2 number, since 2×2002797500² = 8022395652012500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1841957 + ... + 1843043.

Almost surely, 2^2002797500 is an apocalyptic number.

2002797500 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 2002797500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426823168).

2002797500 is an abundant number, since it is smaller than the sum of its proper divisors (2850848836).

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

2002797500 is a wasteful number, since it uses less digits than its factorization.

2002797500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 2002797500 is about 44752.6256212973. The cubic root of 2002797500 is about 1260.5082144040.

The spelling of 2002797500 in words is "two billion, two million, seven hundred ninety-seven thousand, five hundred".