20344364101501 has 4 divisors (see below), whose sum is σ = 22193851747104. Its totient is φ = 18494876455900.

The previous prime is 20344364101489. The next prime is 20344364101543. The reversal of 20344364101501 is 10510146344302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20344364101501 - 2⁹ = 20344364100989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344364101561) 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, 924743822785 + ... + 924743822806.

It is an arithmetic number, because the mean of its divisors is an integer number (5548462936776).

Almost surely, 2^{20344364101501} is an apocalyptic number.

It is an amenable number.

20344364101501 is a deficient number, since it is larger than the sum of its proper divisors (1849487645603).

20344364101501 is a wasteful number, since it uses less digits than its factorization.

20344364101501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849487645602.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 20344364101501 in words is "twenty trillion, three hundred forty-four billion, three hundred sixty-four million, one hundred one thousand, five hundred one".