20416001451650 has 72 divisors (see below), whose sum is σ = 44180467889616. Its totient is φ = 6998677408800.

The previous prime is 20416001451589. The next prime is 20416001451673. The reversal of 20416001451650 is 5615410061402.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20416001451650.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15097865 + ... + 16394435.

It is an arithmetic number, because the mean of its divisors is an integer number (613617609578).

Almost surely, 2^{20416001451650} is an apocalyptic number.

20416001451650 is an abundant number, since it is smaller than the sum of its proper divisors (23764466437966).

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

20416001451650 is a wasteful number, since it uses less digits than its factorization.

20416001451650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303024 (or 1303012 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 20416001451650 in words is "twenty trillion, four hundred sixteen billion, one million, four hundred fifty-one thousand, six hundred fifty".