20432214142 has 16 divisors (see below), whose sum is σ = 31721830272. Its totient is φ = 9860038560.

The previous prime is 20432214119. The next prime is 20432214169. The reversal of 20432214142 is 24141223402.

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, 418633 + ... + 464884.

It is an arithmetic number, because the mean of its divisors is an integer number (1982614392).

Almost surely, 2^20432214142 is an apocalyptic number.

20432214142 is a deficient number, since it is larger than the sum of its proper divisors (11289616130).

20432214142 is a wasteful number, since it uses less digits than its factorization.

20432214142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883923.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20432214142 its reverse (24141223402), we get a palindrome (44573437544).

The spelling of 20432214142 in words is "twenty billion, four hundred thirty-two million, two hundred fourteen thousand, one hundred forty-two".