20366417436 has 24 divisors (see below), whose sum is σ = 47599180944. Its totient is φ = 6777728640.

The previous prime is 20366417419. The next prime is 20366417437. The reversal of 20366417436 is 63471466302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366417437) 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, 1376985 + ... + 1391696.

It is an arithmetic number, because the mean of its divisors is an integer number (1983299206).

Almost surely, 2^20366417436 is an apocalyptic number.

It is an amenable number.

20366417436 is an abundant number, since it is smaller than the sum of its proper divisors (27232763508).

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

20366417436 is a wasteful number, since it uses less digits than its factorization.

20366417436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769301 (or 2769299 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 20366417436 in words is "twenty billion, three hundred sixty-six million, four hundred seventeen thousand, four hundred thirty-six".