20061311063552 has 80 divisors (see below), whose sum is σ = 43729180653312. Its totient is φ = 9118404126720.

The previous prime is 20061311063503. The next prime is 20061311063567. The reversal of 20061311063552 is 25536011316002.

It is a congruent 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, 174438773 + ... + 174553739.

Almost surely, 2^{20061311063552} is an apocalyptic number.

20061311063552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20061311063552 is an abundant number, since it is smaller than the sum of its proper divisors (23667869589760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20061311063552 is a wasteful number, since it uses less digits than its factorization.

20061311063552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145979 (or 145963 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 20061311063552 its reverse (25536011316002), we get a palindrome (45597322379554).

The spelling of 20061311063552 in words is "twenty trillion, sixty-one billion, three hundred eleven million, sixty-three thousand, five hundred fifty-two".