20350733488 has 20 divisors (see below), whose sum is σ = 40495210720. Its totient is φ = 9900356544.

The previous prime is 20350733443. The next prime is 20350733489. The reversal of 20350733488 is 88433705302.

It is a super-2 number, since 2×20350733488² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20350733489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17187528 + ... + 17188711.

It is an arithmetic number, because the mean of its divisors is an integer number (2024760536).

Almost surely, 2^20350733488 is an apocalyptic number.

It is an amenable number.

20350733488 is a deficient number, since it is larger than the sum of its proper divisors (20144477232).

20350733488 is a wasteful number, since it uses less digits than its factorization.

20350733488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34376284 (or 34376278 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 20350733488 in words is "twenty billion, three hundred fifty million, seven hundred thirty-three thousand, four hundred eighty-eight".