20023232201560 has 64 divisors (see below), whose sum is σ = 52879887385920. Its totient is φ = 6679564715520.

The previous prime is 20023232201537. The next prime is 20023232201617. The reversal of 20023232201560 is 6510223232002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966361851 + ... + 966382570.

It is an arithmetic number, because the mean of its divisors is an integer number (826248240405).

Almost surely, 2^{20023232201560} is an apocalyptic number.

20023232201560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023232201560 is an abundant number, since it is smaller than the sum of its proper divisors (32856655184360).

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

20023232201560 is a wasteful number, since it uses less digits than its factorization.

20023232201560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932744476 (or 1932744472 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20023232201560 its reverse (6510223232002), we get a palindrome (26533455433562).

The spelling of 20023232201560 in words is "twenty trillion, twenty-three billion, two hundred thirty-two million, two hundred one thousand, five hundred sixty".