20430370235 has 24 divisors (see below), whose sum is σ = 26957123088. Its totient is φ = 14853326400.

The previous prime is 20430370183. The next prime is 20430370249. The reversal of 20430370235 is 53207303402.

It is not a de Polignac number, because 20430370235 - 2⁶ = 20430370171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20430370198 and 20430370207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3286280 + ... + 3292490.

It is an arithmetic number, because the mean of its divisors is an integer number (1123213462).

Almost surely, 2^20430370235 is an apocalyptic number.

20430370235 is a deficient number, since it is larger than the sum of its proper divisors (6526752853).

20430370235 is a wasteful number, since it uses less digits than its factorization.

20430370235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675 (or 11664 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 29.

Adding to 20430370235 its reverse (53207303402), we get a palindrome (73637673637).

The spelling of 20430370235 in words is "twenty billion, four hundred thirty million, three hundred seventy thousand, two hundred thirty-five".