20211567068 has 48 divisors (see below), whose sum is σ = 44122579200. Its totient is φ = 7870241280.

The previous prime is 20211567043. The next prime is 20211567071. The reversal of 20211567068 is 86076511202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564443 + ... + 599181.

It is an arithmetic number, because the mean of its divisors is an integer number (919220400).

Almost surely, 2^20211567068 is an apocalyptic number.

20211567068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20211567068 is an abundant number, since it is smaller than the sum of its proper divisors (23911012132).

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

20211567068 is a wasteful number, since it uses less digits than its factorization.

20211567068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36650 (or 36648 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 20211567068 in words is "twenty billion, two hundred eleven million, five hundred sixty-seven thousand, sixty-eight".