20136423042007 has 8 divisors (see below), whose sum is σ = 21210964646400. Its totient is φ = 19063354424184.

The previous prime is 20136423041927. The next prime is 20136423042017. The reversal of 20136423042007 is 70024032463102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20136423042007 - 2¹⁹ = 20136422517719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136423042017) 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, 368218573 + ... + 368273254.

It is an arithmetic number, because the mean of its divisors is an integer number (2651370580800).

Almost surely, 2^{20136423042007} is an apocalyptic number.

20136423042007 is a deficient number, since it is larger than the sum of its proper divisors (1074541604393).

20136423042007 is a wasteful number, since it uses less digits than its factorization.

20136423042007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736493285.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 20136423042007 in words is "twenty trillion, one hundred thirty-six billion, four hundred twenty-three million, forty-two thousand, seven".