20200234436 has 6 divisors (see below), whose sum is σ = 35350410270. Its totient is φ = 10100117216.

The previous prime is 20200234433. The next prime is 20200234487. The reversal of 20200234436 is 63443200202.

It can be written as a sum of positive squares in only one way, i.e., 19319332036 + 880902400 = 138994^2 + 29680^2 .

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 as a sum of consecutive naturals, namely, 2525029301 + ... + 2525029308.

It is an arithmetic number, because the mean of its divisors is an integer number (5891735045).

Almost surely, 2^20200234436 is an apocalyptic number.

It is an amenable number.

20200234436 is a deficient number, since it is larger than the sum of its proper divisors (15150175834).

20200234436 is a wasteful number, since it uses less digits than its factorization.

20200234436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050058613 (or 5050058611 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20200234436 its reverse (63443200202), we get a palindrome (83643434638).

The spelling of 20200234436 in words is "twenty billion, two hundred million, two hundred thirty-four thousand, four hundred thirty-six".