1220201013 has 24 divisors (see below), whose sum is σ = 1739435776. Its totient is φ = 760032000.

The previous prime is 1220200997. The next prime is 1220201023. The reversal of 1220201013 is 3101020221.

It is not a de Polignac number, because 1220201013 - 2⁴ = 1220200997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220201013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220201023) 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, 70413 + ... + 86013.

Almost surely, 2^1220201013 is an apocalyptic number.

It is an amenable number.

1220201013 is a deficient number, since it is larger than the sum of its proper divisors (519234763).

1220201013 is a wasteful number, since it uses less digits than its factorization.

1220201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15693 (or 15664 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1220201013 is about 34931.3757673528. The cubic root of 1220201013 is about 1068.5884122722.

Adding to 1220201013 its reverse (3101020221), we get a palindrome (4321221234).

The spelling of 1220201013 in words is "one billion, two hundred twenty million, two hundred one thousand, thirteen".