1020402411 has 24 divisors (see below), whose sum is σ = 1590994944. Its totient is φ = 580018320.

The previous prime is 1020402403. The next prime is 1020402421. The reversal of 1020402411 is 1142040201.

It is not a de Polignac number, because 1020402411 - 2³ = 1020402403 is a prime.

It is a super-2 number, since 2×1020402411² = 2082442160749225842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020402421) 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 in 23 ways as a sum of consecutive naturals, for example, 9906 + ... + 46248.

It is an arithmetic number, because the mean of its divisors is an integer number (66291456).

Almost surely, 2^1020402411 is an apocalyptic number.

1020402411 is a deficient number, since it is larger than the sum of its proper divisors (570592533).

1020402411 is a wasteful number, since it uses less digits than its factorization.

1020402411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36551 (or 36544 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1020402411 is about 31943.7382126764. The cubic root of 1020402411 is about 1006.7550699498.

Adding to 1020402411 its reverse (1142040201), we get a palindrome (2162442612).

The spelling of 1020402411 in words is "one billion, twenty million, four hundred two thousand, four hundred eleven".