20995036610 has 8 divisors (see below), whose sum is σ = 37791065916. Its totient is φ = 8398014640.

The previous prime is 20995036609. The next prime is 20995036619. The reversal of 20995036610 is 1663059902.

It can be written as a sum of positive squares in 2 ways, for example, as 19698964609 + 1296072001 = 140353^2 + 36001^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20995036619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049751821 + ... + 1049751840.

Almost surely, 2^20995036610 is an apocalyptic number.

20995036610 is a deficient number, since it is larger than the sum of its proper divisors (16796029306).

20995036610 is a wasteful number, since it uses less digits than its factorization.

20995036610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099503668.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 20995036610 in words is "twenty billion, nine hundred ninety-five million, thirty-six thousand, six hundred ten".