20300535430 has 16 divisors (see below), whose sum is σ = 41761101600. Its totient is φ = 6960183552.

The previous prime is 20300535419. The next prime is 20300535433. The reversal of 20300535430 is 3453500302.

It is a happy number.

It is a super-2 number, since 2×20300535430² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20300535395 and 20300535404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300535433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145003755 + ... + 145003894.

It is an arithmetic number, because the mean of its divisors is an integer number (2610068850).

Almost surely, 2^20300535430 is an apocalyptic number.

20300535430 is an abundant number, since it is smaller than the sum of its proper divisors (21460566170).

20300535430 is a wasteful number, since it uses less digits than its factorization.

20300535430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290007663.

The product of its (nonzero) digits is 5400, while the sum is 25.

The spelling of 20300535430 in words is "twenty billion, three hundred million, five hundred thirty-five thousand, four hundred thirty".