220103520 has 192 divisors, whose sum is σ = 853493760. Its totient is φ = 46430208.

The previous prime is 220103519. The next prime is 220103531. The reversal of 220103520 is 25301022.

220103520 = T₁₈₉ + T₁₉₀ + ... + T₁₀₉₈.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220103520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41161 + ... + 46199.

It is an arithmetic number, because the mean of its divisors is an integer number (4445280).

Almost surely, 2^220103520 is an apocalyptic number.

220103520 is a gapful number since it is divisible by the number (20) 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 220103520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426746880).

220103520 is an abundant number, since it is smaller than the sum of its proper divisors (633390240).

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

220103520 is a wasteful number, since it uses less digits than its factorization.

220103520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077 (or 5069 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 220103520 is about 14835.8862222653. The cubic root of 220103520 is about 603.7757452940.

Adding to 220103520 its reverse (25301022), we get a palindrome (245404542).

It can be divided in two parts, 220 and 103520, that added together give a triangular number (103740 = T₄₅₅).

The spelling of 220103520 in words is "two hundred twenty million, one hundred three thousand, five hundred twenty".