10503220500 has 288 divisors, whose sum is σ = 35287394688. Its totient is φ = 2620800000.

The previous prime is 10503220477. The next prime is 10503220513. The reversal of 10503220500 is 502230501.

It is a happy number.

It is a super-2 number, since 2×10503220500² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19201227 + ... + 19201773.

It is an arithmetic number, because the mean of its divisors is an integer number (122525676).

Almost surely, 2^10503220500 is an apocalyptic number.

10503220500 is a gapful number since it is divisible by the number (10) 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 10503220500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17643697344).

10503220500 is an abundant number, since it is smaller than the sum of its proper divisors (24784174188).

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

10503220500 is a wasteful number, since it uses less digits than its factorization.

10503220500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The spelling of 10503220500 in words is "ten billion, five hundred three million, two hundred twenty thousand, five hundred".