20002481396 has 6 divisors (see below), whose sum is σ = 35004342450. Its totient is φ = 10001240696.

The previous prime is 20002481381. The next prime is 20002481413. The reversal of 20002481396 is 69318420002.

It can be written as a sum of positive squares in only one way, i.e., 19834778896 + 167702500 = 140836^2 + 12950^2 .

It is a super-2 number, since 2×20002481396² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500310171 + ... + 2500310178.

It is an arithmetic number, because the mean of its divisors is an integer number (5834057075).

Almost surely, 2^20002481396 is an apocalyptic number.

It is an amenable number.

20002481396 is a deficient number, since it is larger than the sum of its proper divisors (15001861054).

20002481396 is a wasteful number, since it uses less digits than its factorization.

20002481396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000620353 (or 5000620351 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 20002481396 in words is "twenty billion, two million, four hundred eighty-one thousand, three hundred ninety-six".