20211001192 has 16 divisors (see below), whose sum is σ = 37898596800. Its totient is φ = 10104708720.

The previous prime is 20211001073. The next prime is 20211001201. The reversal of 20211001192 is 29110011202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17559 + ... + 201817.

It is an arithmetic number, because the mean of its divisors is an integer number (2368662300).

Almost surely, 2^20211001192 is an apocalyptic number.

It is an amenable number.

20211001192 is a deficient number, since it is larger than the sum of its proper divisors (17687595608).

20211001192 is a wasteful number, since it uses less digits than its factorization.

20211001192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197976 (or 197972 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 20211001192 its reverse (29110011202), we get a palindrome (49321012394).

The spelling of 20211001192 in words is "twenty billion, two hundred eleven million, one thousand, one hundred ninety-two".