20001540351 has 16 divisors (see below), whose sum is σ = 29148823424. Its totient is φ = 12124927584.

The previous prime is 20001540329. The next prime is 20001540413. The reversal of 20001540351 is 15304510002.

It is a de Polignac number, because none of the positive numbers 2^k-20001540351 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 (20001540311) 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 15 ways as a sum of consecutive naturals, for example, 3824701 + ... + 3829926.

It is an arithmetic number, because the mean of its divisors is an integer number (1821801464).

Almost surely, 2^20001540351 is an apocalyptic number.

20001540351 is a deficient number, since it is larger than the sum of its proper divisors (9147283073).

20001540351 is a wasteful number, since it uses less digits than its factorization.

20001540351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654710.

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 20001540351 in words is "twenty billion, one million, five hundred forty thousand, three hundred fifty-one".