20201222210010 has 64 divisors (see below), whose sum is σ = 49258026937728. Its totient is φ = 5301204240384.

The previous prime is 20201222209901. The next prime is 20201222210011. The reversal of 20201222210010 is 1001222210202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20201222210011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9441007 + ... + 11381346.

It is an arithmetic number, because the mean of its divisors is an integer number (769656670902).

Almost surely, 2^{20201222210010} is an apocalyptic number.

20201222210010 is an abundant number, since it is smaller than the sum of its proper divisors (29056804727718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201222210010 is a wasteful number, since it uses less digits than its factorization.

20201222210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20822879.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20201222210010 its reverse (1001222210202), we get a palindrome (21202444420212).

The spelling of 20201222210010 in words is "twenty trillion, two hundred one billion, two hundred twenty-two million, two hundred ten thousand, ten".