1020402213 has 16 divisors (see below), whose sum is σ = 1373025600. Its totient is φ = 674046464.

The previous prime is 1020402211. The next prime is 1020402233. The reversal of 1020402213 is 3122040201.

It is a cyclic number.

It is not a de Polignac number, because 1020402213 - 2¹ = 1020402211 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1020402192 and 1020402201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020402211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195445 + ... + 200597.

It is an arithmetic number, because the mean of its divisors is an integer number (85814100).

Almost surely, 2^1020402213 is an apocalyptic number.

It is an amenable number.

1020402213 is a deficient number, since it is larger than the sum of its proper divisors (352623387).

1020402213 is a wasteful number, since it uses less digits than its factorization.

1020402213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020402213 is about 31943.7351134773. The cubic root of 1020402213 is about 1006.7550048326.

Adding to 1020402213 its reverse (3122040201), we get a palindrome (4142442414).

The spelling of 1020402213 in words is "one billion, twenty million, four hundred two thousand, two hundred thirteen".