220406201015 has 192 divisors, whose sum is σ = 386005036032. Its totient is φ = 118473062400.

The previous prime is 220406200967. The next prime is 220406201023. The reversal of 220406201015 is 510102604022.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-220406201015 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 34646435 + ... + 34652795.

It is an arithmetic number, because the mean of its divisors is an integer number (2010442896).

Almost surely, 2^220406201015 is an apocalyptic number.

220406201015 is a deficient number, since it is larger than the sum of its proper divisors (165598835017).

220406201015 is a wasteful number, since it uses less digits than its factorization.

220406201015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 220406201015 its reverse (510102604022), we get a palindrome (730508805037).

The spelling of 220406201015 in words is "two hundred twenty billion, four hundred six million, two hundred one thousand, fifteen".