220115133773 has 8 divisors (see below), whose sum is σ = 223625391000. Its totient is φ = 216631983168.

The previous prime is 220115133767. The next prime is 220115133787. The reversal of 220115133773 is 377331511022.

It can be written as a sum of positive squares in 4 ways, for example, as 527299369 + 219587834404 = 22963^2 + 468602^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 220115133773 - 2¹⁶ = 220115068237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220115103773) 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, 6760286 + ... + 6792767.

It is an arithmetic number, because the mean of its divisors is an integer number (27953173875).

Almost surely, 2^220115133773 is an apocalyptic number.

It is an amenable number.

220115133773 is a deficient number, since it is larger than the sum of its proper divisors (3510257227).

220115133773 is a wasteful number, since it uses less digits than its factorization.

220115133773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553311.

The product of its (nonzero) digits is 26460, while the sum is 35.

Adding to 220115133773 its reverse (377331511022), we get a palindrome (597446644795).

The spelling of 220115133773 in words is "two hundred twenty billion, one hundred fifteen million, one hundred thirty-three thousand, seven hundred seventy-three".