1020344234 has 64 divisors (see below), whose sum is σ = 1935601920. Its totient is φ = 392670720.

The previous prime is 1020344231. The next prime is 1020344257. The reversal of 1020344234 is 4324430201.

It is a super-2 number, since 2×1020344234² = 2082204711714093512, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020344231) 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 31 ways as a sum of consecutive naturals, for example, 1340414 + ... + 1341174.

It is an arithmetic number, because the mean of its divisors is an integer number (30243780).

Almost surely, 2^1020344234 is an apocalyptic number.

1020344234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1020344234 is a deficient number, since it is larger than the sum of its proper divisors (915257686).

1020344234 is a wasteful number, since it uses less digits than its factorization.

1020344234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1020344234 is about 31942.8275830428. The cubic root of 1020344234 is about 1006.7359366151.

Adding to 1020344234 its reverse (4324430201), we get a palindrome (5344774435).

The spelling of 1020344234 in words is "one billion, twenty million, three hundred forty-four thousand, two hundred thirty-four".