20125601167130 has 16 divisors (see below), whose sum is σ = 36226321882344. Its totient is φ = 8050187182080.

The previous prime is 20125601167103. The next prime is 20125601167141. The reversal of 20125601167130 is 3176110652102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12802878328321 + 7322722838809 = 3578111^2 + 2706053^2 .

It is a Curzon number.

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, 5055851 + ... + 8112510.

Almost surely, 2^{20125601167130} is an apocalyptic number.

20125601167130 is a deficient number, since it is larger than the sum of its proper divisors (16100720715214).

20125601167130 is a wasteful number, since it uses less digits than its factorization.

20125601167130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13321201.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 20125601167130 in words is "twenty trillion, one hundred twenty-five billion, six hundred one million, one hundred sixty-seven thousand, one hundred thirty".