20032247454242 has 16 divisors (see below), whose sum is σ = 31085545892352. Its totient is φ = 9671812832160.

The previous prime is 20032247454217. The next prime is 20032247454257. The reversal of 20032247454242 is 24245474223002.

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 20032247454242.

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, 353473598 + ... + 353530265.

It is an arithmetic number, because the mean of its divisors is an integer number (1942846618272).

Almost surely, 2^{20032247454242} is an apocalyptic number.

20032247454242 is a deficient number, since it is larger than the sum of its proper divisors (11053298438110).

20032247454242 is a wasteful number, since it uses less digits than its factorization.

20032247454242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707004353.

The product of its (nonzero) digits is 860160, while the sum is 41.

The spelling of 20032247454242 in words is "twenty trillion, thirty-two billion, two hundred forty-seven million, four hundred fifty-four thousand, two hundred forty-two".