201020371670402 has 32 divisors (see below), whose sum is σ = 302622285152880. Its totient is φ = 100146916546560.

The previous prime is 201020371670401. The next prime is 201020371670411. The reversal of 201020371670402 is 204076173020102.

It can be written as a sum of positive squares in 8 ways, for example, as 31956171574441 + 169064200095961 = 5652979^2 + 13002469^2 .

It is not an unprimeable number, because it can be changed into a prime (201020371670401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7520670974 + ... + 7520697702.

Almost surely, 2^{201020371670402} is an apocalyptic number.

201020371670402 is a deficient number, since it is larger than the sum of its proper divisors (101601913482478).

201020371670402 is a wasteful number, since it uses less digits than its factorization.

201020371670402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38198.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 201020371670402 in words is "two hundred one trillion, twenty billion, three hundred seventy-one million, six hundred seventy thousand, four hundred two".