20416205451016 has 16 divisors (see below), whose sum is σ = 38533897707840. Its totient is φ = 10140499395600.

The previous prime is 20416205451013. The next prime is 20416205451029. The reversal of 20416205451016 is 61015450261402.

It is not an unprimeable number, because it can be changed into a prime (20416205451011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8450414956 + ... + 8450417371.

It is an arithmetic number, because the mean of its divisors is an integer number (2408368606740).

Almost surely, 2^{20416205451016} is an apocalyptic number.

It is an amenable number.

20416205451016 is a deficient number, since it is larger than the sum of its proper divisors (18117692256824).

20416205451016 is a wasteful number, since it uses less digits than its factorization.

20416205451016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900832484 (or 16900832480 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 20416205451016 in words is "twenty trillion, four hundred sixteen billion, two hundred five million, four hundred fifty-one thousand, sixteen".