20010100010 has 8 divisors (see below), whose sum is σ = 36018180036. Its totient is φ = 8004040000.

The previous prime is 20010100001. The next prime is 20010100013. The reversal of 20010100010 is 1000101002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20010082849 + 17161 = 141457^2 + 131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 20010099967 and 20010100003.

It is not an unprimeable number, because it can be changed into a prime (20010100013) 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, 1000504991 + ... + 1000505010.

Almost surely, 2^20010100010 is an apocalyptic number.

20010100010 is a deficient number, since it is larger than the sum of its proper divisors (16008080026).

20010100010 is a wasteful number, since it uses less digits than its factorization.

20010100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001010008.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 20010100010 its reverse (1000101002), we get a palindrome (21010201012).

The spelling of 20010100010 in words is "twenty billion, ten million, one hundred thousand, ten".