2200020437 has 2 divisors, whose sum is σ = 2200020438. Its totient is φ = 2200020436.

The previous prime is 2200020409. The next prime is 2200020457. The reversal of 2200020437 is 7340200022.

It is a happy number.

It is an a-pointer prime, because the next prime (2200020457) can be obtained adding 2200020437 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1619740516 + 580279921 = 40246^2 + 24089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200020437 - 2⁶ = 2200020373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200020457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100010218 + 1100010219.

It is an arithmetic number, because the mean of its divisors is an integer number (1100010219).

Almost surely, 2^2200020437 is an apocalyptic number.

It is an amenable number.

2200020437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200020437 is an equidigital number, since it uses as much as digits as its factorization.

2200020437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2200020437 is about 46904.3754568804. The cubic root of 2200020437 is about 1300.5954741400.

Adding to 2200020437 its reverse (7340200022), we get a palindrome (9540220459).

The spelling of 2200020437 in words is "two billion, two hundred million, twenty thousand, four hundred thirty-seven".