15250100220 has 72 divisors (see below), whose sum is σ = 47131471296. Its totient is φ = 3989960832.

The previous prime is 15250100179. The next prime is 15250100221. The reversal of 15250100220 is 2200105251.

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

It is a junction number, because it is equal to n+sod(n) for n = 15250100193 and 15250100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15250100221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789732 + ... + 808811.

It is an arithmetic number, because the mean of its divisors is an integer number (654603768).

Almost surely, 2^15250100220 is an apocalyptic number.

15250100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15250100220 is an abundant number, since it is smaller than the sum of its proper divisors (31881371076).

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

15250100220 is a wasteful number, since it uses less digits than its factorization.

15250100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598611 (or 1598606 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 15250100220 its reverse (2200105251), we get a palindrome (17450205471).

The spelling of 15250100220 in words is "fifteen billion, two hundred fifty million, one hundred thousand, two hundred twenty".