16420220235357 has 8 divisors (see below), whose sum is σ = 21894343118976. Its totient is φ = 10946455420992.

The previous prime is 16420220235343. The next prime is 16420220235359. The reversal of 16420220235357 is 75353202202461.

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

It is not a de Polignac number, because 16420220235357 - 2¹⁰ = 16420220234333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16420220235359) 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, 89410293 + ... + 89593754.

It is an arithmetic number, because the mean of its divisors is an integer number (2736792889872).

Almost surely, 2^{16420220235357} is an apocalyptic number.

It is an amenable number.

16420220235357 is a deficient number, since it is larger than the sum of its proper divisors (5474122883619).

16420220235357 is a wasteful number, since it uses less digits than its factorization.

16420220235357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179034627.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 16420220235357 in words is "sixteen trillion, four hundred twenty billion, two hundred twenty million, two hundred thirty-five thousand, three hundred fifty-seven".