20050103132 has 6 divisors (see below), whose sum is σ = 35087680488. Its totient is φ = 10025051564.

The previous prime is 20050103111. The next prime is 20050103137. The reversal of 20050103132 is 23130105002.

It is a self number, because there is not a number n which added to its sum of digits gives 20050103132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050103137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506262888 + ... + 2506262895.

It is an arithmetic number, because the mean of its divisors is an integer number (5847946748).

Almost surely, 2^20050103132 is an apocalyptic number.

It is an amenable number.

20050103132 is a deficient number, since it is larger than the sum of its proper divisors (15037577356).

20050103132 is a wasteful number, since it uses less digits than its factorization.

20050103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012525787 (or 5012525785 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 20050103132 its reverse (23130105002), we get a palindrome (43180208134).

The spelling of 20050103132 in words is "twenty billion, fifty million, one hundred three thousand, one hundred thirty-two".