2002251504 has 80 divisors (see below), whose sum is σ = 5649709824. Its totient is φ = 605990400.

The previous prime is 2002251497. The next prime is 2002251533. The reversal of 2002251504 is 4051522002.

It is a happy number.

It is a super-2 number, since 2×2002251504² = 8018022170540524032, 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 15 ways as a sum of consecutive naturals, for example, 543589 + ... + 547259.

Almost surely, 2^2002251504 is an apocalyptic number.

2002251504 is a gapful number since it is divisible by the number (24) 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 2002251504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824854912).

2002251504 is an abundant number, since it is smaller than the sum of its proper divisors (3647458320).

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

2002251504 is a wasteful number, since it uses less digits than its factorization.

2002251504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726 (or 4720 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2002251504 is about 44746.5250494382. The cubic root of 2002251504 is about 1260.3936588063.

Adding to 2002251504 its reverse (4051522002), we get a palindrome (6053773506).

The spelling of 2002251504 in words is "two billion, two million, two hundred fifty-one thousand, five hundred four".