20345356757001 has 16 divisors (see below), whose sum is σ = 28002332864000. Its totient is φ = 13125979704960.

The previous prime is 20345356756969. The next prime is 20345356757009. The reversal of 20345356757001 is 10075765354302.

It is not a de Polignac number, because 20345356757001 - 2⁵ = 20345356756969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20345356757009) 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, 36528261 + ... + 37081053.

It is an arithmetic number, because the mean of its divisors is an integer number (1750145804000).

Almost surely, 2^{20345356757001} is an apocalyptic number.

It is an amenable number.

20345356757001 is a deficient number, since it is larger than the sum of its proper divisors (7656976106999).

20345356757001 is a wasteful number, since it uses less digits than its factorization.

20345356757001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948576.

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 20345356757001 in words is "twenty trillion, three hundred forty-five billion, three hundred fifty-six million, seven hundred fifty-seven thousand, one".