20011001092 has 24 divisors (see below), whose sum is σ = 35396367552. Its totient is φ = 9897957600.

The previous prime is 20011001081. The next prime is 20011001093. The reversal of 20011001092 is 29010011002.

It is not an unprimeable number, because it can be changed into a prime (20011001093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375042 + ... + 425062.

It is an arithmetic number, because the mean of its divisors is an integer number (1474848648).

Almost surely, 2^20011001092 is an apocalyptic number.

It is an amenable number.

20011001092 is a deficient number, since it is larger than the sum of its proper divisors (15385366460).

20011001092 is a wasteful number, since it uses less digits than its factorization.

20011001092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51099 (or 51097 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 20011001092 its reverse (29010011002), we get a palindrome (49021012094).

The spelling of 20011001092 in words is "twenty billion, eleven million, one thousand, ninety-two".