20102000201000 has 32 divisors (see below), whose sum is σ = 47038680472680. Its totient is φ = 8040800080000.

The previous prime is 20102000200993. The next prime is 20102000201021. The reversal of 20102000201000 is 10200020102.

It can be written as a sum of positive squares in 4 ways, for example, as 4981707936676 + 15120292264324 = 2231974^2 + 3888482^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10050999101 + ... + 10051001100.

Almost surely, 2^{20102000201000} is an apocalyptic number.

20102000201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102000201000 is an abundant number, since it is smaller than the sum of its proper divisors (26936680271680).

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

20102000201000 is a wasteful number, since it uses less digits than its factorization.

20102000201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20102000222 (or 20102000208 counting only the distinct ones).

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

Adding to 20102000201000 its reverse (10200020102), we get a palindrome (20112200221102).

The spelling of 20102000201000 in words is "twenty trillion, one hundred two billion, two hundred one thousand".