20040223342 has 16 divisors (see below), whose sum is σ = 30458388240. Its totient is φ = 9887712192.

The previous prime is 20040223331. The next prime is 20040223367. The reversal of 20040223342 is 24332204002.

It is a super-2 number, since 2×20040223342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70834 + ... + 212362.

It is an arithmetic number, because the mean of its divisors is an integer number (1903649265).

Almost surely, 2^20040223342 is an apocalyptic number.

20040223342 is a deficient number, since it is larger than the sum of its proper divisors (10418164898).

20040223342 is a wasteful number, since it uses less digits than its factorization.

20040223342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142467.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20040223342 its reverse (24332204002), we get a palindrome (44372427344).

The spelling of 20040223342 in words is "twenty billion, forty million, two hundred twenty-three thousand, three hundred forty-two".