527220021000000 has 392 divisors, whose sum is σ = 1744272825522048. Its totient is φ = 140541632000000.

The previous prime is 527220020999963. The next prime is 527220021000007. The reversal of 527220021000000 is 120022725.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527220021000007) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 8780969980 + ... + 8781030020.

Almost surely, 2^{527220021000000} is an apocalyptic number.

527220021000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 527220021000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872136412761024).

527220021000000 is an abundant number, since it is smaller than the sum of its proper divisors (1217052804522048).

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

527220021000000 is an frugal number, since it uses more digits than its factorization.

527220021000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63013 (or 62978 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

Adding to 527220021000000 its reverse (120022725), we get a palindrome (527220141022725).

The spelling of 527220021000000 in words is "five hundred twenty-seven trillion, two hundred twenty billion, twenty-one million", and thus it is an aban number.