220776600007 has 16 divisors (see below), whose sum is σ = 243569007360. Its totient is φ = 199181581632.

The previous prime is 220776599983. The next prime is 220776600019. The reversal of 220776600007 is 700006677022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220776600007 is a prime.

It is a super-2 number, since 2×220776600007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220776600307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013598 + ... + 1211995.

It is an arithmetic number, because the mean of its divisors is an integer number (15223062960).

Almost surely, 2^220776600007 is an apocalyptic number.

220776600007 is a deficient number, since it is larger than the sum of its proper divisors (22792407353).

220776600007 is a wasteful number, since it uses less digits than its factorization.

220776600007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225862.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 220776600007 in words is "two hundred twenty billion, seven hundred seventy-six million, six hundred thousand, seven".