20235730707 has 12 divisors (see below), whose sum is σ = 29367919464. Its totient is φ = 13426549920.

The previous prime is 20235730673. The next prime is 20235730741. The reversal of 20235730707 is 70703753202.

20235730707 is a `hidden beast` number, since 202 + 357 + 30 + 70 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (20235730673) and next prime (20235730741).

It is not a de Polignac number, because 20235730707 - 2¹¹ = 20235728659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20235730747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5326098 + ... + 5329895.

It is an arithmetic number, because the mean of its divisors is an integer number (2447326622).

Almost surely, 2^20235730707 is an apocalyptic number.

20235730707 is a deficient number, since it is larger than the sum of its proper divisors (9132188757).

20235730707 is a wasteful number, since it uses less digits than its factorization.

20235730707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10656210 (or 10656207 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The spelling of 20235730707 in words is "twenty billion, two hundred thirty-five million, seven hundred thirty thousand, seven hundred seven".