20014571147746 has 32 divisors (see below), whose sum is σ = 34966083017088. Its totient is φ = 8413900185600.

The previous prime is 20014571147737. The next prime is 20014571147749. The reversal of 20014571147746 is 64774117541002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20014571147746.

It is not an unprimeable number, because it can be changed into a prime (20014571147749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146146 + ... + 6328546.

It is an arithmetic number, because the mean of its divisors is an integer number (1092690094284).

Almost surely, 2^{20014571147746} is an apocalyptic number.

20014571147746 is a deficient number, since it is larger than the sum of its proper divisors (14951511869342).

20014571147746 is a wasteful number, since it uses less digits than its factorization.

20014571147746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186826.

The product of its (nonzero) digits is 1317120, while the sum is 49.

Adding to 20014571147746 its reverse (64774117541002), we get a palindrome (84788688688748).

The spelling of 20014571147746 in words is "twenty trillion, fourteen billion, five hundred seventy-one million, one hundred forty-seven thousand, seven hundred forty-six".