20366701242 has 16 divisors (see below), whose sum is σ = 40840883040. Its totient is φ = 6770986992.

The previous prime is 20366701241. The next prime is 20366701297. The reversal of 20366701242 is 24210766302.

It is not an unprimeable number, because it can be changed into a prime (20366701241) 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, 4475893 + ... + 4480440.

It is an arithmetic number, because the mean of its divisors is an integer number (2552555190).

Almost surely, 2^20366701242 is an apocalyptic number.

20366701242 is an abundant number, since it is smaller than the sum of its proper divisors (20474181798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20366701242 is a wasteful number, since it uses less digits than its factorization.

20366701242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8956717.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 20366701242 in words is "twenty billion, three hundred sixty-six million, seven hundred one thousand, two hundred forty-two".