10020521324501 has 16 divisors (see below), whose sum is σ = 11004127031808. Its totient is φ = 9083595225600.

The previous prime is 10020521324483. The next prime is 10020521324507. The reversal of 10020521324501 is 10542312502001.

It is a cyclic number.

It is not a de Polignac number, because 10020521324501 - 2¹⁴ = 10020521308117 is a prime.

It is a super-2 number, since 2×10020521324501² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020521324507) 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, 44946320 + ... + 45168713.

It is an arithmetic number, because the mean of its divisors is an integer number (687757939488).

Almost surely, 2^{10020521324501} is an apocalyptic number.

It is an amenable number.

10020521324501 is a deficient number, since it is larger than the sum of its proper divisors (983605707307).

10020521324501 is a wasteful number, since it uses less digits than its factorization.

10020521324501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90115292.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 10020521324501 its reverse (10542312502001), we get a palindrome (20562833826502).

The spelling of 10020521324501 in words is "ten trillion, twenty billion, five hundred twenty-one million, three hundred twenty-four thousand, five hundred one".