2042220640206 has 16 divisors (see below), whose sum is σ = 4194831585744. Its totient is φ = 662341829184.

The previous prime is 2042220640193. The next prime is 2042220640241. The reversal of 2042220640206 is 6020460222402.

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, 4599595815 + ... + 4599596258.

It is an arithmetic number, because the mean of its divisors is an integer number (262176974109).

Almost surely, 2^{2042220640206} is an apocalyptic number.

2042220640206 is an abundant number, since it is smaller than the sum of its proper divisors (2152610945538).

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

2042220640206 is a wasteful number, since it uses less digits than its factorization.

2042220640206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9199192115.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2042220640206 its reverse (6020460222402), we get a palindrome (8062680862608).

The spelling of 2042220640206 in words is "two trillion, forty-two billion, two hundred twenty million, six hundred forty thousand, two hundred six".