20022101001200 has 60 divisors (see below), whose sum is σ = 48105026175768. Its totient is φ = 8008519315200.

The previous prime is 20022101001179. The next prime is 20022101001233. The reversal of 20022101001200 is 210010122002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9113639 + ... + 11095161.

Almost surely, 2^{20022101001200} is an apocalyptic number.

20022101001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022101001200 is an abundant number, since it is smaller than the sum of its proper divisors (28082925174568).

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

20022101001200 is a wasteful number, since it uses less digits than its factorization.

20022101001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006802 (or 2006791 counting only the distinct ones).

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

Adding to 20022101001200 its reverse (210010122002), we get a palindrome (20232111123202).

The spelling of 20022101001200 in words is "twenty trillion, twenty-two billion, one hundred one million, one thousand, two hundred".