1020262518 has 24 divisors (see below), whose sum is σ = 2411530056. Its totient is φ = 309170400.

The previous prime is 1020262499. The next prime is 1020262519. The reversal of 1020262518 is 8152620201.

It is a happy number.

1020262518 is a `hidden beast` number, since 1 + 0 + 20 + 2 + 625 + 18 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1020262491 and 1020262500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020262519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2576223 + ... + 2576618.

It is an arithmetic number, because the mean of its divisors is an integer number (100480419).

Almost surely, 2^1020262518 is an apocalyptic number.

1020262518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1020262518 is an abundant number, since it is smaller than the sum of its proper divisors (1391267538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020262518 is a wasteful number, since it uses less digits than its factorization.

1020262518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152860 (or 5152857 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1020262518 is about 31941.5484596474. The cubic root of 1020262518 is about 1006.7090605121.

Adding to 1020262518 its reverse (8152620201), we get a palindrome (9172882719).

The spelling of 1020262518 in words is "one billion, twenty million, two hundred sixty-two thousand, five hundred eighteen".