2420420437 has 2 divisors, whose sum is σ = 2420420438. Its totient is φ = 2420420436.

The previous prime is 2420420351. The next prime is 2420420461. The reversal of 2420420437 is 7340240242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1402427601 + 1017992836 = 37449^2 + 31906^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420420437 - 2¹¹ = 2420418389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420420467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210210218 + 1210210219.

It is an arithmetic number, because the mean of its divisors is an integer number (1210210219).

Almost surely, 2^2420420437 is an apocalyptic number.

It is an amenable number.

2420420437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420420437 is an equidigital number, since it uses as much as digits as its factorization.

2420420437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 2420420437 is about 49197.7686180989. The cubic root of 2420420437 is about 1342.6524348386.

Adding to 2420420437 its reverse (7340240242), we get a palindrome (9760660679).

The spelling of 2420420437 in words is "two billion, four hundred twenty million, four hundred twenty thousand, four hundred thirty-seven".