202741070906 has 16 divisors (see below), whose sum is σ = 331768428768. Its totient is φ = 92152167600.

The previous prime is 202741070809. The next prime is 202741070921. The reversal of 202741070906 is 609070147202.

It is a super-2 number, since 2×202741070906² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202741070906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687716 + ... + 937248.

It is an arithmetic number, because the mean of its divisors is an integer number (20735526798).

Almost surely, 2^202741070906 is an apocalyptic number.

202741070906 is a deficient number, since it is larger than the sum of its proper divisors (129027357862).

202741070906 is a wasteful number, since it uses less digits than its factorization.

202741070906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286477.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 202741070906 in words is "two hundred two billion, seven hundred forty-one million, seventy thousand, nine hundred six".