201340748020 has 12 divisors (see below), whose sum is σ = 422815570884. Its totient is φ = 80536299200.

The previous prime is 201340747999. The next prime is 201340748029. The reversal of 201340748020 is 20847043102.

It can be written as a sum of positive squares in 2 ways, for example, as 29437637476 + 171903110544 = 171574^2 + 414612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201340748029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5033518681 + ... + 5033518720.

It is an arithmetic number, because the mean of its divisors is an integer number (35234630907).

Almost surely, 2^201340748020 is an apocalyptic number.

201340748020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201340748020 is an abundant number, since it is smaller than the sum of its proper divisors (221474822864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201340748020 is a wasteful number, since it uses less digits than its factorization.

201340748020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067037410 (or 10067037408 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 201340748020 in words is "two hundred one billion, three hundred forty million, seven hundred forty-eight thousand, twenty".