10251767220 has 24 divisors (see below), whose sum is σ = 28704948384. Its totient is φ = 2733804576.

The previous prime is 10251767209. The next prime is 10251767221. The reversal of 10251767220 is 2276715201.

It is a super-2 number, since 2×10251767220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10251767221) 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, 85431334 + ... + 85431453.

It is an arithmetic number, because the mean of its divisors is an integer number (1196039516).

Almost surely, 2^10251767220 is an apocalyptic number.

10251767220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10251767220 is an abundant number, since it is smaller than the sum of its proper divisors (18453181164).

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

10251767220 is a wasteful number, since it uses less digits than its factorization.

10251767220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170862799 (or 170862797 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 10251767220 in words is "ten billion, two hundred fifty-one million, seven hundred sixty-seven thousand, two hundred twenty".