16420220235362 has 4 divisors (see below), whose sum is σ = 24630330353046. Its totient is φ = 8210110117680.

The previous prime is 16420220235361. The next prime is 16420220235373. The reversal of 16420220235362 is 26353202202461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12014549372401 + 4405670862961 = 3466201^2 + 2098969^2 .

It is not an unprimeable number, because it can be changed into a prime (16420220235361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105055058839 + ... + 4105055058842.

Almost surely, 2^{16420220235362} is an apocalyptic number.

16420220235362 is a deficient number, since it is larger than the sum of its proper divisors (8210110117684).

16420220235362 is an equidigital number, since it uses as much as digits as its factorization.

16420220235362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210110117683.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 16420220235362 in words is "sixteen trillion, four hundred twenty billion, two hundred twenty million, two hundred thirty-five thousand, three hundred sixty-two".