20432400112142 has 16 divisors (see below), whose sum is σ = 31090037977680. Its totient is φ = 10070025380352.

The previous prime is 20432400112121. The next prime is 20432400112193. The reversal of 20432400112142 is 24121100423402.

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, 242772968 + ... + 242857115.

It is an arithmetic number, because the mean of its divisors is an integer number (1943127373605).

Almost surely, 2^{20432400112142} is an apocalyptic number.

20432400112142 is a deficient number, since it is larger than the sum of its proper divisors (10657637865538).

20432400112142 is a wasteful number, since it uses less digits than its factorization.

20432400112142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485630387.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20432400112142 its reverse (24121100423402), we get a palindrome (44553500535544).

The spelling of 20432400112142 in words is "twenty trillion, four hundred thirty-two billion, four hundred million, one hundred twelve thousand, one hundred forty-two".