20209042616 has 32 divisors (see below), whose sum is σ = 43333056000. Its totient is φ = 8655425376.

The previous prime is 20209042549. The next prime is 20209042627. The reversal of 20209042616 is 61624090202.

It is a congruent number.

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, 28436 + ... + 203043.

It is an arithmetic number, because the mean of its divisors is an integer number (1354158000).

Almost surely, 2^20209042616 is an apocalyptic number.

It is an amenable number.

20209042616 is an abundant number, since it is smaller than the sum of its proper divisors (23124013384).

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

20209042616 is a wasteful number, since it uses less digits than its factorization.

20209042616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233051 (or 233047 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 20209042616 in words is "twenty billion, two hundred nine million, forty-two thousand, six hundred sixteen".