4720220537 has 2 divisors, whose sum is σ = 4720220538. Its totient is φ = 4720220536.

The previous prime is 4720220507. The next prime is 4720220539. The reversal of 4720220537 is 7350220274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2896161856 + 1824058681 = 53816^2 + 42709^2 .

It is a cyclic number.

It is not a de Polignac number, because 4720220537 - 2¹⁰ = 4720219513 is a prime.

Together with 4720220539, 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 (4720220539) 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, 2360110268 + 2360110269.

It is an arithmetic number, because the mean of its divisors is an integer number (2360110269).

Almost surely, 2^4720220537 is an apocalyptic number.

It is an amenable number.

4720220537 is a deficient number, since it is larger than the sum of its proper divisors (1).

4720220537 is an equidigital number, since it uses as much as digits as its factorization.

4720220537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 4720220537 is about 68703.8611505933. The cubic root of 4720220537 is about 1677.4674304546.

The spelling of 4720220537 in words is "four billion, seven hundred twenty million, two hundred twenty thousand, five hundred thirty-seven".