20042862057346 has 16 divisors (see below), whose sum is σ = 31394285187264. Its totient is φ = 9578735020624.

The previous prime is 20042862057311. The next prime is 20042862057347. The reversal of 20042862057346 is 64375026824002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20042862057346.

It is not an unprimeable number, because it can be changed into a prime (20042862057347) 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, 158609236 + ... + 158735551.

It is an arithmetic number, because the mean of its divisors is an integer number (1962142824204).

Almost surely, 2^{20042862057346} is an apocalyptic number.

20042862057346 is a deficient number, since it is larger than the sum of its proper divisors (11351423129918).

20042862057346 is a wasteful number, since it uses less digits than its factorization.

20042862057346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317346185.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 20042862057346 in words is "twenty trillion, forty-two billion, eight hundred sixty-two million, fifty-seven thousand, three hundred forty-six".