20120140034 has 16 divisors (see below), whose sum is σ = 30653168256. Its totient is φ = 9902860800.

The previous prime is 20120139997. The next prime is 20120140039. The reversal of 20120140034 is 43004102102.

It is a junction number, because it is equal to n+sod(n) for n = 20120139994 and 20120140021.

It is not an unprimeable number, because it can be changed into a prime (20120140039) 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, 19502 + ... + 201545.

It is an arithmetic number, because the mean of its divisors is an integer number (1915823016).

Almost surely, 2^20120140034 is an apocalyptic number.

20120140034 is a deficient number, since it is larger than the sum of its proper divisors (10533028222).

20120140034 is a wasteful number, since it uses less digits than its factorization.

20120140034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221761.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20120140034 its reverse (43004102102), we get a palindrome (63124242136).

The spelling of 20120140034 in words is "twenty billion, one hundred twenty million, one hundred forty thousand, thirty-four".