20125601472223 has 4 divisors (see below), whose sum is σ = 21673724662408. Its totient is φ = 18577478282040.

The previous prime is 20125601472217. The next prime is 20125601472233. The reversal of 20125601472223 is 32227410652102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20125601472223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125601472233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774061595073 + ... + 774061595098.

It is an arithmetic number, because the mean of its divisors is an integer number (5418431165602).

Almost surely, 2^{20125601472223} is an apocalyptic number.

20125601472223 is a deficient number, since it is larger than the sum of its proper divisors (1548123190185).

20125601472223 is a wasteful number, since it uses less digits than its factorization.

20125601472223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548123190184.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 20125601472223 in words is "twenty trillion, one hundred twenty-five billion, six hundred one million, four hundred seventy-two thousand, two hundred twenty-three".