1220510203 has 8 divisors (see below), whose sum is σ = 1389355776. Its totient is φ = 1061313000.

The previous prime is 1220510119. The next prime is 1220510233. The reversal of 1220510203 is 3020150221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220510203 - 2⁹ = 1220509691 is a prime.

It is a super-3 number, since 3×1220510203³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220510233) 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, 2411823 + ... + 2412328.

It is an arithmetic number, because the mean of its divisors is an integer number (173669472).

Almost surely, 2^1220510203 is an apocalyptic number.

1220510203 is a deficient number, since it is larger than the sum of its proper divisors (168845573).

1220510203 is a wasteful number, since it uses less digits than its factorization.

1220510203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824185.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1220510203 is about 34935.8011644216. The cubic root of 1220510203 is about 1068.6786621422.

Adding to 1220510203 its reverse (3020150221), we get a palindrome (4240660424).

The spelling of 1220510203 in words is "one billion, two hundred twenty million, five hundred ten thousand, two hundred three".