20034525451 has 4 divisors (see below), whose sum is σ = 20117656504. Its totient is φ = 19951394400.

The previous prime is 20034525443. The next prime is 20034525473. The reversal of 20034525451 is 15452543002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20034525451 - 2³ = 20034525443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034525481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41565165 + ... + 41565646.

It is an arithmetic number, because the mean of its divisors is an integer number (5029414126).

Almost surely, 2^20034525451 is an apocalyptic number.

20034525451 is a deficient number, since it is larger than the sum of its proper divisors (83131053).

20034525451 is an equidigital number, since it uses as much as digits as its factorization.

20034525451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83131052.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 20034525451 in words is "twenty billion, thirty-four million, five hundred twenty-five thousand, four hundred fifty-one".