20555151216202 has 8 divisors (see below), whose sum is σ = 30937957974756. Its totient is φ = 10242498557952.

The previous prime is 20555151216191. The next prime is 20555151216217. The reversal of 20555151216202 is 20261215155502.

It can be written as a sum of positive squares in 2 ways, for example, as 20110103456041 + 445047760161 = 4484429^2 + 667119^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17538524343 + ... + 17538525514.

Almost surely, 2^{20555151216202} is an apocalyptic number.

20555151216202 is a deficient number, since it is larger than the sum of its proper divisors (10382806758554).

20555151216202 is a wasteful number, since it uses less digits than its factorization.

20555151216202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35077050152.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 20555151216202 in words is "twenty trillion, five hundred fifty-five billion, one hundred fifty-one million, two hundred sixteen thousand, two hundred two".