201021340004 has 24 divisors (see below), whose sum is σ = 359234383200. Its totient is φ = 98397083520.

The previous prime is 201021339979. The next prime is 201021340027. The reversal of 201021340004 is 400043120102.

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, 1710314 + ... + 1824065.

It is an arithmetic number, because the mean of its divisors is an integer number (14968099300).

Almost surely, 2^201021340004 is an apocalyptic number.

It is an amenable number.

201021340004 is a deficient number, since it is larger than the sum of its proper divisors (158213043196).

201021340004 is a wasteful number, since it uses less digits than its factorization.

201021340004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534683 (or 3534681 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201021340004 its reverse (400043120102), we get a palindrome (601064460106).

The spelling of 201021340004 in words is "two hundred one billion, twenty-one million, three hundred forty thousand, four".