20004735760 has 40 divisors (see below), whose sum is σ = 48533232960. Its totient is φ = 7653985152.

The previous prime is 20004735757. The next prime is 20004735761. The reversal of 20004735760 is 6753740002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (20004735761) 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, 5434230 + ... + 5437909.

It is an arithmetic number, because the mean of its divisors is an integer number (1213330824).

Almost surely, 2^20004735760 is an apocalyptic number.

20004735760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004735760 is an abundant number, since it is smaller than the sum of its proper divisors (28528497200).

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

20004735760 is a wasteful number, since it uses less digits than its factorization.

20004735760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10872175 (or 10872169 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 20004735760 in words is "twenty billion, four million, seven hundred thirty-five thousand, seven hundred sixty".