20425035 has 32 divisors (see below), whose sum is σ = 34610688. Its totient is φ = 10264320.

The previous prime is 20425021. The next prime is 20425049. The reversal of 20425035 is 53052402.

It is an interprime number because it is at equal distance from previous prime (20425021) and next prime (20425049).

It is not a de Polignac number, because 20425035 - 2⁷ = 20424907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24780 + ... + 25590.

It is an arithmetic number, because the mean of its divisors is an integer number (1081584).

Almost surely, 2^20425035 is an apocalyptic number.

20425035 is a deficient number, since it is larger than the sum of its proper divisors (14185653).

20425035 is a wasteful number, since it uses less digits than its factorization.

20425035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20425035 is about 4519.4064875822. The cubic root of 20425035 is about 273.3511696008.

Adding to 20425035 its reverse (53052402), we get a palindrome (73477437).

The spelling of 20425035 in words is "twenty million, four hundred twenty-five thousand, thirty-five".