20031234342 has 16 divisors (see below), whose sum is σ = 45785678592. Its totient is φ = 5723209800.

The previous prime is 20031234299. The next prime is 20031234427. The reversal of 20031234342 is 24343213002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238467034 + ... + 238467117.

It is an arithmetic number, because the mean of its divisors is an integer number (2861604912).

Almost surely, 2^20031234342 is an apocalyptic number.

20031234342 is an abundant number, since it is smaller than the sum of its proper divisors (25754444250).

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

20031234342 is a wasteful number, since it uses less digits than its factorization.

20031234342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476934163.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20031234342 its reverse (24343213002), we get a palindrome (44374447344).

The spelling of 20031234342 in words is "twenty billion, thirty-one million, two hundred thirty-four thousand, three hundred forty-two".