20344046469121 has 16 divisors (see below), whose sum is σ = 21726300435840. Its totient is φ = 19003438460160.

The previous prime is 20344046469101. The next prime is 20344046469139. The reversal of 20344046469121 is 12196464044302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20344046469121 - 2¹³ = 20344046460929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20344046469101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3410425 + ... + 7233193.

It is an arithmetic number, because the mean of its divisors is an integer number (1357893777240).

Almost surely, 2^{20344046469121} is an apocalyptic number.

It is an amenable number.

20344046469121 is a deficient number, since it is larger than the sum of its proper divisors (1382253966719).

20344046469121 is a wasteful number, since it uses less digits than its factorization.

20344046469121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828216.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 20344046469121 in words is "twenty trillion, three hundred forty-four billion, forty-six million, four hundred sixty-nine thousand, one hundred twenty-one".