20011201100010 has 48 divisors (see below), whose sum is σ = 53298125866440. Its totient is φ = 5206166138880.

The previous prime is 20011201100003. The next prime is 20011201100083. The reversal of 20011201100010 is 1000110211002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13295365130961 + 6715835969049 = 3646281^2 + 2591493^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20011201099965 and 20011201100001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2711541175 + ... + 2711548554.

Almost surely, 2^{20011201100010} is an apocalyptic number.

20011201100010 is an abundant number, since it is smaller than the sum of its proper divisors (33286924766430).

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

20011201100010 is a wasteful number, since it uses less digits than its factorization.

20011201100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423089783 (or 5423089780 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20011201100010 its reverse (1000110211002), we get a palindrome (21011311311012).

The spelling of 20011201100010 in words is "twenty trillion, eleven billion, two hundred one million, one hundred thousand, ten".