220061507 has 2 divisors, whose sum is σ = 220061508. Its totient is φ = 220061506.

The previous prime is 220061449. The next prime is 220061509. The reversal of 220061507 is 705160022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220061507 - 2¹⁰ = 220060483 is a prime.

It is a super-2 number, since 2×220061507² = 96854133726222098, which contains 22 as substring.

Together with 220061509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220061509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110030753 + 110030754.

It is an arithmetic number, because the mean of its divisors is an integer number (110030754).

Almost surely, 2^220061507 is an apocalyptic number.

220061507 is a deficient number, since it is larger than the sum of its proper divisors (1).

220061507 is an equidigital number, since it uses as much as digits as its factorization.

220061507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 220061507 is about 14834.4702298397. The cubic root of 220061507 is about 603.7373269404.

The spelling of 220061507 in words is "two hundred twenty million, sixty-one thousand, five hundred seven".