20042220000242 has 8 divisors (see below), whose sum is σ = 32796360000432. Its totient is φ = 9110100000100.

The previous prime is 20042220000139. The next prime is 20042220000247. The reversal of 20042220000242 is 24200002224002.

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

It is not an unprimeable number, because it can be changed into a prime (20042220000247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455504999984 + ... + 455505000027.

It is an arithmetic number, because the mean of its divisors is an integer number (4099545000054).

Almost surely, 2^{20042220000242} is an apocalyptic number.

20042220000242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20042220000242 is a deficient number, since it is larger than the sum of its proper divisors (12754140000190).

20042220000242 is a wasteful number, since it uses less digits than its factorization.

20042220000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911010000024.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20042220000242 its reverse (24200002224002), we get a palindrome (44242222224244).

The spelling of 20042220000242 in words is "twenty trillion, forty-two billion, two hundred twenty million, two hundred forty-two", and thus it is an aban number.