2502117820 has 24 divisors (see below), whose sum is σ = 5258199744. Its totient is φ = 1000132416.

The previous prime is 2502117791. The next prime is 2502117823. The reversal of 2502117820 is 287112052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502117823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15499 + ... + 72418.

It is an arithmetic number, because the mean of its divisors is an integer number (219091656).

Almost surely, 2^2502117820 is an apocalyptic number.

2502117820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2502117820 is an abundant number, since it is smaller than the sum of its proper divisors (2756081924).

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

2502117820 is a wasteful number, since it uses less digits than its factorization.

2502117820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89349 (or 89347 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 2502117820 is about 50021.1737167372. The cubic root of 2502117820 is about 1357.5919433241.

Adding to 2502117820 its reverse (287112052), we get a palindrome (2789229872).

The spelling of 2502117820 in words is "two billion, five hundred two million, one hundred seventeen thousand, eight hundred twenty".