220000001020061 has 2 divisors, whose sum is σ = 220000001020062. Its totient is φ = 220000001020060.

The previous prime is 220000001020003. The next prime is 220000001020067. The reversal of 220000001020061 is 160020100000022.

220000001020061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113072385602500 + 106927615417561 = 10633550^2 + 10340581^2 .

It is a cyclic number.

It is not a de Polignac number, because 220000001020061 - 2¹⁴ = 220000001003677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220000001020067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000000510030 + 110000000510031.

It is an arithmetic number, because the mean of its divisors is an integer number (110000000510031).

Almost surely, 2^{220000001020061} is an apocalyptic number.

It is an amenable number.

220000001020061 is a deficient number, since it is larger than the sum of its proper divisors (1).

220000001020061 is an equidigital number, since it uses as much as digits as its factorization.

220000001020061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 220000001020061 its reverse (160020100000022), we get a palindrome (380020101020083).

The spelling of 220000001020061 in words is "two hundred twenty trillion, one million, twenty thousand, sixty-one".