1022020037 has 2 divisors, whose sum is σ = 1022020038. Its totient is φ = 1022020036.

The previous prime is 1022020009. The next prime is 1022020099. The reversal of 1022020037 is 7300202201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779470561 + 242549476 = 27919^2 + 15574^2 .

It is an emirp because it is prime and its reverse (7300202201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022020037 - 2⁸ = 1022019781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022019997 and 1022020024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022020537) 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, 511010018 + 511010019.

It is an arithmetic number, because the mean of its divisors is an integer number (511010019).

Almost surely, 2^1022020037 is an apocalyptic number.

It is an amenable number.

1022020037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022020037 is an equidigital number, since it uses as much as digits as its factorization.

1022020037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1022020037 is about 31969.0481090695. The cubic root of 1022020037 is about 1007.2867861121.

Adding to 1022020037 its reverse (7300202201), we get a palindrome (8322222238).

The spelling of 1022020037 in words is "one billion, twenty-two million, twenty thousand, thirty-seven".