20436154160 has 40 divisors (see below), whose sum is σ = 47984513616. Its totient is φ = 8093523200.

The previous prime is 20436154069. The next prime is 20436154169. The reversal of 20436154160 is 6145163402.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (20436154169) 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, 1256534 + ... + 1272693.

Almost surely, 2^20436154160 is an apocalyptic number.

20436154160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20436154160 is an abundant number, since it is smaller than the sum of its proper divisors (27548359456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20436154160 is a wasteful number, since it uses less digits than its factorization.

20436154160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529341 (or 2529335 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20436154160 in words is "twenty billion, four hundred thirty-six million, one hundred fifty-four thousand, one hundred sixty".