20011002101200 has 60 divisors (see below), whose sum is σ = 52447017336768. Its totient is φ = 7276728035200.

The previous prime is 20011002101183. The next prime is 20011002101231. The reversal of 20011002101200 is 210120011002.

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

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, 2273973112 + ... + 2273981911.

Almost surely, 2^{20011002101200} is an apocalyptic number.

20011002101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011002101200 is an abundant number, since it is smaller than the sum of its proper divisors (32436015235568).

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

20011002101200 is a wasteful number, since it uses less digits than its factorization.

20011002101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547955052 (or 4547955041 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20011002101200 its reverse (210120011002), we get a palindrome (20221122112202).

The spelling of 20011002101200 in words is "twenty trillion, eleven billion, two million, one hundred one thousand, two hundred".