20201919316 has 12 divisors (see below), whose sum is σ = 35354782260. Its totient is φ = 10100552960.

The previous prime is 20201919293. The next prime is 20201919341. The reversal of 20201919316 is 61391910202.

It can be written as a sum of positive squares in 2 ways, for example, as 12634659216 + 7567260100 = 112404^2 + 86990^2 .

It is a congruent number.

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, 28650 + ... + 203038.

It is an arithmetic number, because the mean of its divisors is an integer number (2946231855).

Almost surely, 2^20201919316 is an apocalyptic number.

It is an amenable number.

20201919316 is a deficient number, since it is larger than the sum of its proper divisors (15152862944).

20201919316 is a wasteful number, since it uses less digits than its factorization.

20201919316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203354 (or 203352 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 20201919316 in words is "twenty billion, two hundred one million, nine hundred nineteen thousand, three hundred sixteen".