201367940 has 36 divisors (see below), whose sum is σ = 436995468. Its totient is φ = 77941440.

The previous prime is 201367939. The next prime is 201367973. The reversal of 201367940 is 49763102.

It can be written as a sum of positive squares in 2 ways, for example, as 113720896 + 87647044 = 10664^2 + 9362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201367897 and 201367906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13982 + ... + 24458.

It is an arithmetic number, because the mean of its divisors is an integer number (12138763).

Almost surely, 2^201367940 is an apocalyptic number.

201367940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201367940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218497734).

201367940 is an abundant number, since it is smaller than the sum of its proper divisors (235627528).

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

201367940 is a wasteful number, since it uses less digits than its factorization.

201367940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548 (or 10515 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 201367940 is about 14190.4171890752. The cubic root of 201367940 is about 586.1338129730.

The spelling of 201367940 in words is "two hundred one million, three hundred sixty-seven thousand, nine hundred forty".