20810011296 has 48 divisors (see below), whose sum is σ = 55109726784. Its totient is φ = 6875280384.

The previous prime is 20810011289. The next prime is 20810011301. The reversal of 20810011296 is 69211001802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948316 + ... + 970011.

It is an arithmetic number, because the mean of its divisors is an integer number (1148119308).

Almost surely, 2^20810011296 is an apocalyptic number.

It is an amenable number.

20810011296 is an abundant number, since it is smaller than the sum of its proper divisors (34299715488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20810011296 is a wasteful number, since it uses less digits than its factorization.

20810011296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918453 (or 1918445 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 20810011296 in words is "twenty billion, eight hundred ten million, eleven thousand, two hundred ninety-six".