20700468387 has 48 divisors (see below), whose sum is σ = 31990140000. Its totient is φ = 12853527552.

The previous prime is 20700468377. The next prime is 20700468407. The reversal of 20700468387 is 78386400702.

It is a happy number.

20700468387 is a `hidden beast` number, since 207 + 0 + 0 + 4 + 68 + 387 = 666.

It is not a de Polignac number, because 20700468387 - 2²⁷ = 20566250659 is a prime.

It is a super-3 number, since 3×20700468387³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20700468377) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7420789 + ... + 7423577.

It is an arithmetic number, because the mean of its divisors is an integer number (666461250).

Almost surely, 2^20700468387 is an apocalyptic number.

20700468387 is a deficient number, since it is larger than the sum of its proper divisors (11289671613).

20700468387 is a wasteful number, since it uses less digits than its factorization.

20700468387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300 (or 3297 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 20700468387 in words is "twenty billion, seven hundred million, four hundred sixty-eight thousand, three hundred eighty-seven".