220812037 has 2 divisors, whose sum is σ = 220812038. Its totient is φ = 220812036.

The previous prime is 220812017. The next prime is 220812047. The reversal of 220812037 is 730218022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220403716 + 408321 = 14846^2 + 639^2 .

It is a cyclic number.

It is not a de Polignac number, because 220812037 - 2¹¹ = 220809989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220812017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110406018 + 110406019.

It is an arithmetic number, because the mean of its divisors is an integer number (110406019).

Almost surely, 2^220812037 is an apocalyptic number.

It is an amenable number.

220812037 is a deficient number, since it is larger than the sum of its proper divisors (1).

220812037 is an equidigital number, since it uses as much as digits as its factorization.

220812037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 220812037 is about 14859.7455227201. The cubic root of 220812037 is about 604.4229062037.

The spelling of 220812037 in words is "two hundred twenty million, eight hundred twelve thousand, thirty-seven".