220652461 has 8 divisors (see below), whose sum is σ = 223313400. Its totient is φ = 218007552.

The previous prime is 220652459. The next prime is 220652473. The reversal of 220652461 is 164256022.

It can be written as a sum of positive squares in 4 ways, for example, as 2499561 + 218152900 = 1581^2 + 14770^2 .

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 220652461 - 2¹ = 220652459 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 (220652431) 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, 24921 + ... + 32593.

It is an arithmetic number, because the mean of its divisors is an integer number (27914175).

Almost surely, 2^220652461 is an apocalyptic number.

It is an amenable number.

220652461 is a deficient number, since it is larger than the sum of its proper divisors (2660939).

220652461 is a wasteful number, since it uses less digits than its factorization.

220652461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 220652461 is about 14854.3751467371. The cubic root of 220652461 is about 604.2772700708.

The spelling of 220652461 in words is "two hundred twenty million, six hundred fifty-two thousand, four hundred sixty-one".