1020430234 has 16 divisors (see below), whose sum is σ = 1556257248. Its totient is φ = 501705072.

The previous prime is 1020430199. The next prime is 1020430237. The reversal of 1020430234 is 4320340201.

It is a super-2 number, since 2×1020430234² = 2082555724922589512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020430237) 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, 72172 + ... + 85144.

It is an arithmetic number, because the mean of its divisors is an integer number (97266078).

Almost surely, 2^1020430234 is an apocalyptic number.

1020430234 is a deficient number, since it is larger than the sum of its proper divisors (535827014).

1020430234 is a wasteful number, since it uses less digits than its factorization.

1020430234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13629.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1020430234 is about 31944.1737097706. The cubic root of 1020430234 is about 1006.7642201607.

Adding to 1020430234 its reverse (4320340201), we get a palindrome (5340770435).

The spelling of 1020430234 in words is "one billion, twenty million, four hundred thirty thousand, two hundred thirty-four".