20200234432 has 56 divisors (see below), whose sum is σ = 47390974560. Its totient is φ = 8358712320.

The previous prime is 20200234423. The next prime is 20200234433. The reversal of 20200234432 is 23443200202.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×20200234432² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200234433) 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, 764419 + ... + 790402.

Almost surely, 2^20200234432 is an apocalyptic number.

It is an amenable number.

20200234432 is an abundant number, since it is smaller than the sum of its proper divisors (27190740128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200234432 is a wasteful number, since it uses less digits than its factorization.

20200234432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554869 (or 1554859 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20200234432 its reverse (23443200202), we get a palindrome (43643434634).

The spelling of 20200234432 in words is "twenty billion, two hundred million, two hundred thirty-four thousand, four hundred thirty-two".