20650936011 has 8 divisors (see below), whose sum is σ = 28983769920. Its totient is φ = 13042696392.

The previous prime is 20650936003. The next prime is 20650936057. The reversal of 20650936011 is 11063905602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20650936011 - 2³ = 20650936003 is a prime.

It is a super-2 number, since 2×20650936011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20650936001) 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, 181148505 + ... + 181148618.

It is an arithmetic number, because the mean of its divisors is an integer number (3622971240).

Almost surely, 2^20650936011 is an apocalyptic number.

20650936011 is a deficient number, since it is larger than the sum of its proper divisors (8332833909).

20650936011 is a wasteful number, since it uses less digits than its factorization.

20650936011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362297145.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 20650936011 in words is "twenty billion, six hundred fifty million, nine hundred thirty-six thousand, eleven".