10020210321 has 32 divisors (see below), whose sum is σ = 15394959360. Its totient is φ = 5740257600.

The previous prime is 10020210311. The next prime is 10020210331. The reversal of 10020210321 is 12301202001.

It is an interprime number because it is at equal distance from previous prime (10020210311) and next prime (10020210331).

It is not a de Polignac number, because 10020210321 - 2⁶ = 10020210257 is a prime.

It is a super-2 number, since 2×10020210321² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10020210297 and 10020210306.

It is not an unprimeable number, because it can be changed into a prime (10020210301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69906 + ... + 157883.

It is an arithmetic number, because the mean of its divisors is an integer number (481092480).

Almost surely, 2^10020210321 is an apocalyptic number.

10020210321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10020210321 is a deficient number, since it is larger than the sum of its proper divisors (5374749039).

10020210321 is a wasteful number, since it uses less digits than its factorization.

10020210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227877.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10020210321 its reverse (12301202001), we get a palindrome (22321412322).

The spelling of 10020210321 in words is "ten billion, twenty million, two hundred ten thousand, three hundred twenty-one".