20201477236 has 48 divisors (see below), whose sum is σ = 38876866560. Its totient is φ = 9148779360.

The previous prime is 20201477189. The next prime is 20201477243. The reversal of 20201477236 is 63277410202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143895 + ... + 247201.

It is an arithmetic number, because the mean of its divisors is an integer number (809934720).

Almost surely, 2^20201477236 is an apocalyptic number.

It is an amenable number.

20201477236 is a deficient number, since it is larger than the sum of its proper divisors (18675389324).

20201477236 is a wasteful number, since it uses less digits than its factorization.

20201477236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103444 (or 103442 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 20201477236 its reverse (63277410202), we get a palindrome (83478887438).

The spelling of 20201477236 in words is "twenty billion, two hundred one million, four hundred seventy-seven thousand, two hundred thirty-six".