20962509344 has 24 divisors (see below), whose sum is σ = 47165646528. Its totient is φ = 8983932480.

The previous prime is 20962509341. The next prime is 20962509367. The reversal of 20962509344 is 44390526902.

It is a super-3 number, since 3×20962509344³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20962509295 and 20962509304.

It is not an unprimeable number, because it can be changed into a prime (20962509341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46791092 + ... + 46791539.

It is an arithmetic number, because the mean of its divisors is an integer number (1965235272).

Almost surely, 2^20962509344 is an apocalyptic number.

It is an amenable number.

20962509344 is an abundant number, since it is smaller than the sum of its proper divisors (26203137184).

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

20962509344 is an equidigital number, since it uses as much as digits as its factorization.

20962509344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93582648 (or 93582640 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 20962509344 in words is "twenty billion, nine hundred sixty-two million, five hundred nine thousand, three hundred forty-four".