20020011434 has 8 divisors (see below), whose sum is σ = 30036149220. Its totient is φ = 10007961696.

The previous prime is 20020011433. The next prime is 20020011437. The reversal of 20020011434 is 43411002002.

It can be written as a sum of positive squares in 2 ways, for example, as 13770318409 + 6249693025 = 117347^2 + 79055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20020011433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009739 + ... + 1029374.

Almost surely, 2^20020011434 is an apocalyptic number.

20020011434 is a deficient number, since it is larger than the sum of its proper divisors (10016137786).

20020011434 is a wasteful number, since it uses less digits than its factorization.

20020011434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044024.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20020011434 its reverse (43411002002), we get a palindrome (63431013436).

The spelling of 20020011434 in words is "twenty billion, twenty million, eleven thousand, four hundred thirty-four".