220869077 has 16 divisors (see below), whose sum is σ = 259905408. Its totient is φ = 185042880.

The previous prime is 220869067. The next prime is 220869101. The reversal of 220869077 is 770968022.

220869077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220869077 - 2¹⁸ = 220606933 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 (220869067) 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, 151283 + ... + 152735.

It is an arithmetic number, because the mean of its divisors is an integer number (16244088).

Almost surely, 2^220869077 is an apocalyptic number.

It is an amenable number.

220869077 is a deficient number, since it is larger than the sum of its proper divisors (39036331).

220869077 is a wasteful number, since it uses less digits than its factorization.

220869077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 220869077 is about 14861.6646779558. The cubic root of 220869077 is about 604.4749464137.

The spelling of 220869077 in words is "two hundred twenty million, eight hundred sixty-nine thousand, seventy-seven".