20334343442 has 16 divisors (see below), whose sum is σ = 34871307840. Its totient is φ = 8711610288.

The previous prime is 20334343439. The next prime is 20334343483. The reversal of 20334343442 is 24434343302.

It is a junction number, because it is equal to n+sod(n) for n = 20334343399 and 20334343408.

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, 218153 + ... + 297084.

It is an arithmetic number, because the mean of its divisors is an integer number (2179456740).

Almost surely, 2^20334343442 is an apocalyptic number.

20334343442 is a deficient number, since it is larger than the sum of its proper divisors (14536964398).

20334343442 is a wasteful number, since it uses less digits than its factorization.

20334343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518065.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 20334343442 its reverse (24434343302), we get a palindrome (44768686744).

The spelling of 20334343442 in words is "twenty billion, three hundred thirty-four million, three hundred forty-three thousand, four hundred forty-two".