20002122010 has 16 divisors (see below), whose sum is σ = 38773344456. Its totient is φ = 7385398848.

The previous prime is 20002121999. The next prime is 20002122053. The reversal of 20002122010 is 1022120002.

It can be written as a sum of positive squares in 4 ways, for example, as 17785689769 + 2216432241 = 133363^2 + 47079^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76931109 + ... + 76931368.

Almost surely, 2^20002122010 is an apocalyptic number.

20002122010 is a deficient number, since it is larger than the sum of its proper divisors (18771222446).

20002122010 is a wasteful number, since it uses less digits than its factorization.

20002122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153862497.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20002122010 its reverse (1022120002), we get a palindrome (21024242012).

The spelling of 20002122010 in words is "twenty billion, two million, one hundred twenty-two thousand, ten".