20966083624 has 32 divisors (see below), whose sum is σ = 39846502080. Its totient is φ = 10341057024.

The previous prime is 20966083609. The next prime is 20966083639. The reversal of 20966083624 is 42638066902.

It is an interprime number because it is at equal distance from previous prime (20966083609) and next prime (20966083639).

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, 194229 + ... + 282235.

It is an arithmetic number, because the mean of its divisors is an integer number (1245203190).

Almost surely, 2^20966083624 is an apocalyptic number.

It is an amenable number.

20966083624 is a deficient number, since it is larger than the sum of its proper divisors (18880418456).

20966083624 is a wasteful number, since it uses less digits than its factorization.

20966083624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88417 (or 88413 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 20966083624 in words is "twenty billion, nine hundred sixty-six million, eighty-three thousand, six hundred twenty-four".