20185829301 has 32 divisors (see below), whose sum is σ = 29703897216. Its totient is φ = 12091392000.

The previous prime is 20185829297. The next prime is 20185829327. The reversal of 20185829301 is 10392858102.

It is not a de Polignac number, because 20185829301 - 2² = 20185829297 is a prime.

It is a super-2 number, since 2×20185829301² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20185829301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20185829101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2624181 + ... + 2631861.

It is an arithmetic number, because the mean of its divisors is an integer number (928246788).

Almost surely, 2^20185829301 is an apocalyptic number.

It is an amenable number.

20185829301 is a deficient number, since it is larger than the sum of its proper divisors (9518067915).

20185829301 is a wasteful number, since it uses less digits than its factorization.

20185829301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8613.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 20185829301 in words is "twenty billion, one hundred eighty-five million, eight hundred twenty-nine thousand, three hundred one".