20407090848 has 48 divisors (see below), whose sum is σ = 53583487776. Its totient is φ = 6800474880.

The previous prime is 20407090841. The next prime is 20407090849. The reversal of 20407090848 is 84809070402.

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

It is not an unprimeable number, because it can be changed into a prime (20407090841) 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, 342303 + ... + 397473.

It is an arithmetic number, because the mean of its divisors is an integer number (1116322662).

Almost surely, 2^20407090848 is an apocalyptic number.

It is an amenable number.

20407090848 is an abundant number, since it is smaller than the sum of its proper divisors (33176396928).

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

20407090848 is a wasteful number, since it uses less digits than its factorization.

20407090848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59037 (or 59029 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 20407090848 in words is "twenty billion, four hundred seven million, ninety thousand, eight hundred forty-eight".