20203553732 has 6 divisors (see below), whose sum is σ = 35356219038. Its totient is φ = 10101776864.

The previous prime is 20203553707. The next prime is 20203553737. The reversal of 20203553732 is 23735530202.

It can be written as a sum of positive squares in only one way, i.e., 13205227396 + 6998326336 = 114914^2 + 83656^2 .

It is a super-2 number, since 2×20203553732² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20203553737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525444213 + ... + 2525444220.

It is an arithmetic number, because the mean of its divisors is an integer number (5892703173).

Almost surely, 2^20203553732 is an apocalyptic number.

It is an amenable number.

20203553732 is a deficient number, since it is larger than the sum of its proper divisors (15152665306).

20203553732 is a wasteful number, since it uses less digits than its factorization.

20203553732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050888437 (or 5050888435 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 32.

The spelling of 20203553732 in words is "twenty billion, two hundred three million, five hundred fifty-three thousand, seven hundred thirty-two".