20201130434 has 16 divisors (see below), whose sum is σ = 30344001216. Its totient is φ = 10086476400.

The previous prime is 20201130431. The next prime is 20201130457. The reversal of 20201130434 is 43403110202.

It is a super-2 number, since 2×20201130434² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201130431) 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, 8628104 + ... + 8630444.

It is an arithmetic number, because the mean of its divisors is an integer number (1896500076).

Almost surely, 2^20201130434 is an apocalyptic number.

20201130434 is a deficient number, since it is larger than the sum of its proper divisors (10142870782).

20201130434 is a wasteful number, since it uses less digits than its factorization.

20201130434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20201130434 its reverse (43403110202), we get a palindrome (63604240636).

The spelling of 20201130434 in words is "twenty billion, two hundred one million, one hundred thirty thousand, four hundred thirty-four".