20432151451315 has 16 divisors (see below), whose sum is σ = 25181624493792. Its totient is φ = 15903705936384.

The previous prime is 20432151451291. The next prime is 20432151451339. The reversal of 20432151451315 is 51315415123402.

It is an interprime number because it is at equal distance from previous prime (20432151451291) and next prime (20432151451339).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20432151451315 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12054492 + ... + 13644598.

It is an arithmetic number, because the mean of its divisors is an integer number (1573851530862).

Almost surely, 2^{20432151451315} is an apocalyptic number.

20432151451315 is a deficient number, since it is larger than the sum of its proper divisors (4749473042477).

20432151451315 is a wasteful number, since it uses less digits than its factorization.

20432151451315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659606.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 20432151451315 its reverse (51315415123402), we get a palindrome (71747566574717).

The spelling of 20432151451315 in words is "twenty trillion, four hundred thirty-two billion, one hundred fifty-one million, four hundred fifty-one thousand, three hundred fifteen".