220135108776 has 64 divisors (see below), whose sum is σ = 602088984000. Its totient is φ = 66516441600.

The previous prime is 220135108769. The next prime is 220135108789. The reversal of 220135108776 is 677801531022.

It is a super-2 number, since 2×220135108776² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102485 + ... + 1286756.

It is an arithmetic number, because the mean of its divisors is an integer number (9407640375).

Almost surely, 2^220135108776 is an apocalyptic number.

It is an amenable number.

220135108776 is an abundant number, since it is smaller than the sum of its proper divisors (381953875224).

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

220135108776 is a wasteful number, since it uses less digits than its factorization.

220135108776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389610 (or 2389606 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

Adding to 220135108776 its reverse (677801531022), we get a palindrome (897936639798).

The spelling of 220135108776 in words is "two hundred twenty billion, one hundred thirty-five million, one hundred eight thousand, seven hundred seventy-six".