20402451410244 has 48 divisors (see below), whose sum is σ = 47785052649600. Its totient is φ = 6775200679936.

The previous prime is 20402451410227. The next prime is 20402451410287. The reversal of 20402451410244 is 44201415420402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70118692 + ... + 70409060.

It is an arithmetic number, because the mean of its divisors is an integer number (995521930200).

Almost surely, 2^{20402451410244} is an apocalyptic number.

It is an amenable number.

20402451410244 is an abundant number, since it is smaller than the sum of its proper divisors (27382601239356).

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

20402451410244 is a wasteful number, since it uses less digits than its factorization.

20402451410244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312412 (or 312410 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 20402451410244 its reverse (44201415420402), we get a palindrome (64603866830646).

The spelling of 20402451410244 in words is "twenty trillion, four hundred two billion, four hundred fifty-one million, four hundred ten thousand, two hundred forty-four".