20011472303546 has 16 divisors (see below), whose sum is σ = 30279079549440. Its totient is φ = 9918722461200.

The previous prime is 20011472303513. The next prime is 20011472303569. The reversal of 20011472303546 is 64530327411002.

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, 69023561 + ... + 69312876.

It is an arithmetic number, because the mean of its divisors is an integer number (1892442471840).

Almost surely, 2^{20011472303546} is an apocalyptic number.

20011472303546 is a deficient number, since it is larger than the sum of its proper divisors (10267607245894).

20011472303546 is a wasteful number, since it uses less digits than its factorization.

20011472303546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138337069.

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 20011472303546 its reverse (64530327411002), we get a palindrome (84541799714548).

The spelling of 20011472303546 in words is "twenty trillion, eleven billion, four hundred seventy-two million, three hundred three thousand, five hundred forty-six".