20414274172142 has 16 divisors (see below), whose sum is σ = 30639907803120. Its totient is φ = 10200972048768.

The previous prime is 20414274172139. The next prime is 20414274172147. The reversal of 20414274172142 is 24127147241402.

It is a self number, because there is not a number n which added to its sum of digits gives 20414274172142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414274172147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97264109 + ... + 97473767.

It is an arithmetic number, because the mean of its divisors is an integer number (1914994237695).

Almost surely, 2^{20414274172142} is an apocalyptic number.

20414274172142 is a deficient number, since it is larger than the sum of its proper divisors (10225633630978).

20414274172142 is a wasteful number, since it uses less digits than its factorization.

20414274172142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238835.

The product of its (nonzero) digits is 200704, while the sum is 41.

The spelling of 20414274172142 in words is "twenty trillion, four hundred fourteen billion, two hundred seventy-four million, one hundred seventy-two thousand, one hundred forty-two".