20049840435 has 16 divisors (see below), whose sum is σ = 32391201024. Its totient is φ = 10589429472.

The previous prime is 20049840413. The next prime is 20049840463. The reversal of 20049840435 is 53404894002.

It is not a de Polignac number, because 20049840435 - 2²⁷ = 19915622707 is a prime.

It is a super-2 number, since 2×20049840435² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20049840393 and 20049840402.

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, 6487077 + ... + 6490166.

It is an arithmetic number, because the mean of its divisors is an integer number (2024450064).

Almost surely, 2^20049840435 is an apocalyptic number.

20049840435 is a deficient number, since it is larger than the sum of its proper divisors (12341360589).

20049840435 is a wasteful number, since it uses less digits than its factorization.

20049840435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977354.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 20049840435 in words is "twenty billion, forty-nine million, eight hundred forty thousand, four hundred thirty-five".