20000122021010 has 8 divisors (see below), whose sum is σ = 36000219637836. Its totient is φ = 8000048808400.

The previous prime is 20000122020979. The next prime is 20000122021013. The reversal of 20000122021010 is 1012022100002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19999848350161 + 273670849 = 4472119^2 + 16543^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20000122020982 and 20000122021000.

It is not an unprimeable number, because it can be changed into a prime (20000122021013) 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, 1000006101041 + ... + 1000006101060.

Almost surely, 2^{20000122021010} is an apocalyptic number.

20000122021010 is a deficient number, since it is larger than the sum of its proper divisors (16000097616826).

20000122021010 is a wasteful number, since it uses less digits than its factorization.

20000122021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000012202108.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000122021010 its reverse (1012022100002), we get a palindrome (21012144121012).

The spelling of 20000122021010 in words is "twenty trillion, one hundred twenty-two million, twenty-one thousand, ten".