20087278002 has 72 divisors (see below), whose sum is σ = 50356640880. Its totient is φ = 5766670800.

The previous prime is 20087277919. The next prime is 20087278019.

20087278002 is nontrivially palindromic in base 10.

20087278002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20087278002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 201324 + ... + 284087.

It is an arithmetic number, because the mean of its divisors is an integer number (699397790).

Almost surely, 2^20087278002 is an apocalyptic number.

20087278002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20087278002 is an abundant number, since it is smaller than the sum of its proper divisors (30269362878).

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

20087278002 is a wasteful number, since it uses less digits than its factorization.

20087278002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485460 (or 485446 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The spelling of 20087278002 in words is "twenty billion, eighty-seven million, two hundred seventy-eight thousand, two".