201992402 has 8 divisors (see below), whose sum is σ = 320811516. Its totient is φ = 95055232.

The previous prime is 201992377. The next prime is 201992423. The reversal of 201992402 is 204299102.

It can be written as a sum of positive squares in 2 ways, for example, as 201895681 + 96721 = 14209^2 + 311^2 .

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, 2970443 + ... + 2970510.

Almost surely, 2^201992402 is an apocalyptic number.

201992402 is a deficient number, since it is larger than the sum of its proper divisors (118819114).

201992402 is a wasteful number, since it uses less digits than its factorization.

201992402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940972.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 201992402 is about 14212.4031043311. The cubic root of 201992402 is about 586.7390741524.

The spelling of 201992402 in words is "two hundred one million, nine hundred ninety-two thousand, four hundred two".