22021020010 has 16 divisors (see below), whose sum is σ = 43241275872. Its totient is φ = 8007643600.

The previous prime is 22021019983. The next prime is 22021020017. The reversal of 22021020010 is 1002012022.

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

It is not an unprimeable number, because it can be changed into a prime (22021020017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100095436 + ... + 100095655.

It is an arithmetic number, because the mean of its divisors is an integer number (2702579742).

Almost surely, 2^22021020010 is an apocalyptic number.

22021020010 is a deficient number, since it is larger than the sum of its proper divisors (21220255862).

22021020010 is a wasteful number, since it uses less digits than its factorization.

22021020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200191109.

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

Adding to 22021020010 its reverse (1002012022), we get a palindrome (23023032032).

The spelling of 22021020010 in words is "twenty-two billion, twenty-one million, twenty thousand, ten".