21036013196 has 48 divisors (see below), whose sum is σ = 40961749248. Its totient is φ = 9372417600.

The previous prime is 21036013157. The next prime is 21036013199. The reversal of 21036013196 is 69131063012.

It is a super-2 number, since 2×21036013196² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21036013199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520991 + ... + 559913.

It is an arithmetic number, because the mean of its divisors is an integer number (853369776).

Almost surely, 2^21036013196 is an apocalyptic number.

It is an amenable number.

21036013196 is a deficient number, since it is larger than the sum of its proper divisors (19925736052).

21036013196 is a wasteful number, since it uses less digits than its factorization.

21036013196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39182 (or 39180 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 21036013196 in words is "twenty-one billion, thirty-six million, thirteen thousand, one hundred ninety-six".