10020210128 has 20 divisors (see below), whose sum is σ = 19463071620. Its totient is φ = 4997481984.

The previous prime is 10020210127. The next prime is 10020210203. The reversal of 10020210128 is 82101202001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2646896704 + 7373313424 = 51448^2 + 85868^2 .

It is a super-2 number, since 2×10020210128² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020210121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782393 + ... + 795096.

It is an arithmetic number, because the mean of its divisors is an integer number (973153581).

Almost surely, 2^10020210128 is an apocalyptic number.

It is an amenable number.

10020210128 is a deficient number, since it is larger than the sum of its proper divisors (9442861492).

10020210128 is a wasteful number, since it uses less digits than its factorization.

10020210128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577894 (or 1577888 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10020210128 its reverse (82101202001), we get a palindrome (92121412129).

The spelling of 10020210128 in words is "ten billion, twenty million, two hundred ten thousand, one hundred twenty-eight".