20143304233042 has 4 divisors (see below), whose sum is σ = 30214956349566. Its totient is φ = 10071652116520.

The previous prime is 20143304233033. The next prime is 20143304233067. The reversal of 20143304233042 is 24033240334102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11397450272121 + 8745853960921 = 3376011^2 + 2957339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20143304232995 and 20143304233013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035826058259 + ... + 5035826058262.

Almost surely, 2^{20143304233042} is an apocalyptic number.

20143304233042 is a deficient number, since it is larger than the sum of its proper divisors (10071652116524).

20143304233042 is a wasteful number, since it uses less digits than its factorization.

20143304233042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071652116523.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20143304233042 its reverse (24033240334102), we get a palindrome (44176544567144).

The spelling of 20143304233042 in words is "twenty trillion, one hundred forty-three billion, three hundred four million, two hundred thirty-three thousand, forty-two".