20908611034 has 8 divisors (see below), whose sum is σ = 31363541748. Its totient is φ = 10454097120.

The previous prime is 20908611029. The next prime is 20908611037. The reversal of 20908611034 is 43011680902.

It can be written as a sum of positive squares in 2 ways, for example, as 17515199025 + 3393412009 = 132345^2 + 58253^2 .

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

It is a super-2 number, since 2×20908611034² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20908611037) 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, 106104 + ... + 230380.

Almost surely, 2^20908611034 is an apocalyptic number.

20908611034 is a deficient number, since it is larger than the sum of its proper divisors (10454930714).

20908611034 is a wasteful number, since it uses less digits than its factorization.

20908611034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208400.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 20908611034 in words is "twenty billion, nine hundred eight million, six hundred eleven thousand, thirty-four".