201031932666004 has 72 divisors (see below), whose sum is σ = 388213549381224. Its totient is φ = 91019718451200.

The previous prime is 201031932665987. The next prime is 201031932666053. The reversal of 201031932666004 is 400666239130102.

It can be written as a sum of positive squares in 4 ways, for example, as 148271292288900 + 52760640377104 = 12176670^2 + 7263652^2 .

It is a super-2 number, since 2×201031932666004² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374150554 + ... + 374687470.

It is an arithmetic number, because the mean of its divisors is an integer number (5391854852517).

Almost surely, 2^{201031932666004} is an apocalyptic number.

It is an amenable number.

201031932666004 is a deficient number, since it is larger than the sum of its proper divisors (187181616715220).

201031932666004 is a wasteful number, since it uses less digits than its factorization.

201031932666004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539977 (or 539964 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 201031932666004 in words is "two hundred one trillion, thirty-one billion, nine hundred thirty-two million, six hundred sixty-six thousand, four".