20374545507 has 8 divisors (see below), whose sum is σ = 27181151760. Its totient is φ = 13575484800.

The previous prime is 20374545487. The next prime is 20374545539. The reversal of 20374545507 is 70554547302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20374545507 - 2¹⁰ = 20374544483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20374545547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880082 + ... + 1890887.

It is an arithmetic number, because the mean of its divisors is an integer number (3397643970).

Almost surely, 2^20374545507 is an apocalyptic number.

20374545507 is a deficient number, since it is larger than the sum of its proper divisors (6806606253).

20374545507 is a wasteful number, since it uses less digits than its factorization.

20374545507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772773.

The product of its (nonzero) digits is 588000, while the sum is 42.

The spelling of 20374545507 in words is "twenty billion, three hundred seventy-four million, five hundred forty-five thousand, five hundred seven".