20185925036 has 6 divisors (see below), whose sum is σ = 35325368820. Its totient is φ = 10092962516.

The previous prime is 20185925009. The next prime is 20185925041. The reversal of 20185925036 is 63052958102.

It is a junction number, because it is equal to n+sod(n) for n = 20185924984 and 20185925002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2523240626 + ... + 2523240633.

It is an arithmetic number, because the mean of its divisors is an integer number (5887561470).

Almost surely, 2^20185925036 is an apocalyptic number.

It is an amenable number.

20185925036 is a deficient number, since it is larger than the sum of its proper divisors (15139443784).

20185925036 is a wasteful number, since it uses less digits than its factorization.

20185925036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046481263 (or 5046481261 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 20185925036 in words is "twenty billion, one hundred eighty-five million, nine hundred twenty-five thousand, thirty-six".