20240136012142 has 16 divisors (see below), whose sum is σ = 30561680808864. Its totient is φ = 10052910900000.

The previous prime is 20240136012137. The next prime is 20240136012193. The reversal of 20240136012142 is 24121063104202.

It is a self number, because there is not a number n which added to its sum of digits gives 20240136012142.

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, 23931892 + ... + 24763192.

It is an arithmetic number, because the mean of its divisors is an integer number (1910105050554).

Almost surely, 2^{20240136012142} is an apocalyptic number.

20240136012142 is a deficient number, since it is larger than the sum of its proper divisors (10321544796722).

20240136012142 is a wasteful number, since it uses less digits than its factorization.

20240136012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912075.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 20240136012142 its reverse (24121063104202), we get a palindrome (44361199116344).

The spelling of 20240136012142 in words is "twenty trillion, two hundred forty billion, one hundred thirty-six million, twelve thousand, one hundred forty-two".