20235867914 has 24 divisors (see below), whose sum is σ = 31194191340. Its totient is φ = 9845143040.

The previous prime is 20235867887. The next prime is 20235867917. The reversal of 20235867914 is 41976853202.

It can be written as a sum of positive squares in 6 ways, for example, as 38626225 + 20197241689 = 6215^2 + 142117^2 .

It is a super-2 number, since 2×20235867914² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20235867917) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 1300082 + ... + 1315554.

It is a 1-persistent number, because it is pandigital, but 2⋅20235867914 = 40471735828 is not.

Almost surely, 2^20235867914 is an apocalyptic number.

20235867914 is a deficient number, since it is larger than the sum of its proper divisors (10958323426).

20235867914 is a wasteful number, since it uses less digits than its factorization.

20235867914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15946 (or 15905 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 20235867914 in words is "twenty billion, two hundred thirty-five million, eight hundred sixty-seven thousand, nine hundred fourteen".