20344135452044 has 24 divisors (see below), whose sum is σ = 36084272162400. Its totient is φ = 10034864104320.

The previous prime is 20344135452013. The next prime is 20344135452127. The reversal of 20344135452044 is 44025453144302.

It is a super-2 number, since 2×20344135452044² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20344135451992 and 20344135452010.

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, 64930787 + ... + 65243354.

It is an arithmetic number, because the mean of its divisors is an integer number (1503511340100).

Almost surely, 2^{20344135452044} is an apocalyptic number.

It is an amenable number.

20344135452044 is a deficient number, since it is larger than the sum of its proper divisors (15740136710356).

20344135452044 is a wasteful number, since it uses less digits than its factorization.

20344135452044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130174673 (or 130174671 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 20344135452044 its reverse (44025453144302), we get a palindrome (64369588596346).

The spelling of 20344135452044 in words is "twenty trillion, three hundred forty-four billion, one hundred thirty-five million, four hundred fifty-two thousand, forty-four".