20152100351 has 16 divisors (see below), whose sum is σ = 20471549280. Its totient is φ = 19835850240.

The previous prime is 20152100347. The next prime is 20152100383. The reversal of 20152100351 is 15300125102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20152100351 - 2² = 20152100347 is a prime.

It is a super-2 number, since 2×20152100351² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152100051) 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, 10140980 + ... + 10142966.

It is an arithmetic number, because the mean of its divisors is an integer number (1279471830).

Almost surely, 2^20152100351 is an apocalyptic number.

20152100351 is a deficient number, since it is larger than the sum of its proper divisors (319448929).

20152100351 is a wasteful number, since it uses less digits than its factorization.

20152100351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 20152100351 its reverse (15300125102), we get a palindrome (35452225453).

The spelling of 20152100351 in words is "twenty billion, one hundred fifty-two million, one hundred thousand, three hundred fifty-one".