20283837434 has 12 divisors (see below), whose sum is σ = 35393226714. Its totient is φ = 8693073144.

The previous prime is 20283837433. The next prime is 20283837437. The reversal of 20283837434 is 43473838202.

20283837434 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 20222262025 + 61575409 = 142205^2 + 7847^2 .

It is a super-2 number, since 2×20283837434² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20283837433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103488869 + ... + 103489064.

Almost surely, 2^20283837434 is an apocalyptic number.

20283837434 is a deficient number, since it is larger than the sum of its proper divisors (15109389280).

20283837434 is a wasteful number, since it uses less digits than its factorization.

20283837434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206977949 (or 206977942 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 20283837434 in words is "twenty billion, two hundred eighty-three million, eight hundred thirty-seven thousand, four hundred thirty-four".