20435384495 has 16 divisors (see below), whose sum is σ = 24575231520. Its totient is φ = 16313170944.

The previous prime is 20435384479. The next prime is 20435384509. The reversal of 20435384495 is 59448353402.

It is a cyclic number.

It is not a de Polignac number, because 20435384495 - 2⁴ = 20435384479 is a prime.

It is a congruent number.

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, 7186544 + ... + 7189386.

It is an arithmetic number, because the mean of its divisors is an integer number (1535951970).

Almost surely, 2^20435384495 is an apocalyptic number.

20435384495 is a deficient number, since it is larger than the sum of its proper divisors (4139847025).

20435384495 is a wasteful number, since it uses less digits than its factorization.

20435384495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 20435384495 in words is "twenty billion, four hundred thirty-five million, three hundred eighty-four thousand, four hundred ninety-five".