20416504464224 has 48 divisors (see below), whose sum is σ = 45034193843856. Its totient is φ = 9029412288000.

The previous prime is 20416504464211. The next prime is 20416504464233. The reversal of 20416504464224 is 42246440561402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783790127 + ... + 783816174.

It is an arithmetic number, because the mean of its divisors is an integer number (938212371747).

Almost surely, 2^{20416504464224} is an apocalyptic number.

It is an amenable number.

20416504464224 is an abundant number, since it is smaller than the sum of its proper divisors (24617689379632).

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

20416504464224 is a wasteful number, since it uses less digits than its factorization.

20416504464224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567606359 (or 1567606351 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 44.

The spelling of 20416504464224 in words is "twenty trillion, four hundred sixteen billion, five hundred four million, four hundred sixty-four thousand, two hundred twenty-four".