20243220144142 has 16 divisors (see below), whose sum is σ = 30430393456320. Its totient is φ = 10099779072768.

The previous prime is 20243220144131. The next prime is 20243220144221. The reversal of 20243220144142 is 24144102234202.

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, 4123158 + ... + 7582009.

It is an arithmetic number, because the mean of its divisors is an integer number (1901899591020).

Almost surely, 2^{20243220144142} is an apocalyptic number.

20243220144142 is a deficient number, since it is larger than the sum of its proper divisors (10187173312178).

20243220144142 is a wasteful number, since it uses less digits than its factorization.

20243220144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11707035.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 20243220144142 its reverse (24144102234202), we get a palindrome (44387322378344).

The spelling of 20243220144142 in words is "twenty trillion, two hundred forty-three billion, two hundred twenty million, one hundred forty-four thousand, one hundred forty-two".