20033632243 has 8 divisors (see below), whose sum is σ = 21091000320. Its totient is φ = 18976560840.

The previous prime is 20033632237. The next prime is 20033632249. The reversal of 20033632243 is 34223633002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20033632237) and next prime (20033632249).

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

It is not a de Polignac number, because 20033632243 - 2¹⁷ = 20033501171 is a prime.

It is a super-2 number, since 2×20033632243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033632249) 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, 71838 + ... + 212668.

It is an arithmetic number, because the mean of its divisors is an integer number (2636375040).

Almost surely, 2^20033632243 is an apocalyptic number.

20033632243 is a deficient number, since it is larger than the sum of its proper divisors (1057368077).

20033632243 is a wasteful number, since it uses less digits than its factorization.

20033632243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148337.

The product of its (nonzero) digits is 15552, while the sum is 28.

The spelling of 20033632243 in words is "twenty billion, thirty-three million, six hundred thirty-two thousand, two hundred forty-three".