1040020213 has 2 divisors, whose sum is σ = 1040020214. Its totient is φ = 1040020212.

The previous prime is 1040020181. The next prime is 1040020253. The reversal of 1040020213 is 3120200401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983575044 + 56445169 = 31362^2 + 7513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040020213 - 2⁵ = 1040020181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040020193 and 1040020202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040020253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520010106 + 520010107.

It is an arithmetic number, because the mean of its divisors is an integer number (520010107).

Almost surely, 2^1040020213 is an apocalyptic number.

It is an amenable number.

1040020213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040020213 is an equidigital number, since it uses as much as digits as its factorization.

1040020213 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 13.

The square root of 1040020213 is about 32249.3443809328. The cubic root of 1040020213 is about 1013.1659675568.

Adding to 1040020213 its reverse (3120200401), we get a palindrome (4160220614).

The spelling of 1040020213 in words is "one billion, forty million, twenty thousand, two hundred thirteen".