20034515425 has 24 divisors (see below), whose sum is σ = 25324700544. Its totient is φ = 15717024960.

The previous prime is 20034515341. The next prime is 20034515471. The reversal of 20034515425 is 52451543002.

It is not a de Polignac number, because 20034515425 - 2¹⁹ = 20033991137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4427214 + ... + 4431736.

It is an arithmetic number, because the mean of its divisors is an integer number (1055195856).

Almost surely, 2^20034515425 is an apocalyptic number.

20034515425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20034515425 is a deficient number, since it is larger than the sum of its proper divisors (5290185119).

20034515425 is a wasteful number, since it uses less digits than its factorization.

20034515425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929 (or 7924 counting only the distinct ones).

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

It can be divided in two parts, 200 and 34515425, that added together give a square (34515625 = 5875²).

The spelling of 20034515425 in words is "twenty billion, thirty-four million, five hundred fifteen thousand, four hundred twenty-five".