1020255210 has 64 divisors (see below), whose sum is σ = 2929973760. Its totient is φ = 251138880.

The previous prime is 1020255209. The next prime is 1020255211. The reversal of 1020255210 is 125520201.

1020255210 is a `hidden beast` number, since 102 + 0 + 2 + 552 + 10 = 666.

It is an interprime number because it is at equal distance from previous prime (1020255209) and next prime (1020255211).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020255211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141826 + ... + 148845.

It is an arithmetic number, because the mean of its divisors is an integer number (45780840).

Almost surely, 2^1020255210 is an apocalyptic number.

1020255210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020255210 is an abundant number, since it is smaller than the sum of its proper divisors (1909718550).

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

1020255210 is a wasteful number, since it uses less digits than its factorization.

1020255210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290700 (or 290694 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1020255210 is about 31941.4340629847. The cubic root of 1020255210 is about 1006.7066568669.

Adding to 1020255210 its reverse (125520201), we get a palindrome (1145775411).

The spelling of 1020255210 in words is "one billion, twenty million, two hundred fifty-five thousand, two hundred ten".