20070287760 has 40 divisors (see below), whose sum is σ = 62217892800. Its totient is φ = 5352076672.

The previous prime is 20070287759. The next prime is 20070287773. The reversal of 20070287760 is 6778207002.

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

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, 41812860 + ... + 41813339.

It is an arithmetic number, because the mean of its divisors is an integer number (1555447320).

Almost surely, 2^20070287760 is an apocalyptic number.

20070287760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20070287760 is an abundant number, since it is smaller than the sum of its proper divisors (42147605040).

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

20070287760 is a wasteful number, since it uses less digits than its factorization.

20070287760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83626215 (or 83626209 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The spelling of 20070287760 in words is "twenty billion, seventy million, two hundred eighty-seven thousand, seven hundred sixty".