20011301000 has 32 divisors (see below), whose sum is σ = 46826446680. Its totient is φ = 8004520000.

The previous prime is 20011300889. The next prime is 20011301017. The reversal of 20011301000 is 10311002.

It can be written as a sum of positive squares in 4 ways, for example, as 12356100964 + 7655200036 = 111158^2 + 87494^2 .

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, 10004651 + ... + 10006650.

Almost surely, 2^20011301000 is an apocalyptic number.

20011301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011301000 is an abundant number, since it is smaller than the sum of its proper divisors (26815145680).

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

20011301000 is a wasteful number, since it uses less digits than its factorization.

20011301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20011322 (or 20011308 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 20011301000 its reverse (10311002), we get a palindrome (20021612002).

The spelling of 20011301000 in words is "twenty billion, eleven million, three hundred one thousand".