201269690 has 16 divisors (see below), whose sum is σ = 362499840. Its totient is φ = 80460240.

The previous prime is 201269689. The next prime is 201269693. The reversal of 201269690 is 96962102.

It is a super-3 number, since 3×201269690³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 201269690.

It is not an unprimeable number, because it can be changed into a prime (201269693) 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, 15455 + ... + 25325.

It is an arithmetic number, because the mean of its divisors is an integer number (22656240).

Almost surely, 2^201269690 is an apocalyptic number.

201269690 is a deficient number, since it is larger than the sum of its proper divisors (161230150).

201269690 is a wasteful number, since it uses less digits than its factorization.

201269690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11917.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 201269690 is about 14186.9549234499. The cubic root of 201269690 is about 586.0384700639.

The spelling of 201269690 in words is "two hundred one million, two hundred sixty-nine thousand, six hundred ninety".