511220130 has 16 divisors (see below), whose sum is σ = 1226928384. Its totient is φ = 136325360.

The previous prime is 511220123. The next prime is 511220131. The reversal of 511220130 is 31022115.

It is a super-2 number, since 2×511220130² = 522692042634433800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (511220131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8520306 + ... + 8520365.

It is an arithmetic number, because the mean of its divisors is an integer number (76683024).

Almost surely, 2^511220130 is an apocalyptic number.

511220130 is an abundant number, since it is smaller than the sum of its proper divisors (715708254).

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

511220130 is a wasteful number, since it uses less digits than its factorization.

511220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17040681.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 511220130 is about 22610.1775755963. The cubic root of 511220130 is about 799.5936113036.

Adding to 511220130 its reverse (31022115), we get a palindrome (542242245).

The spelling of 511220130 in words is "five hundred eleven million, two hundred twenty thousand, one hundred thirty".