20030172150 has 48 divisors (see below), whose sum is σ = 51834610944. Its totient is φ = 5109144480.

The previous prime is 20030172091. The next prime is 20030172161. The reversal of 20030172150 is 5127103002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2899474 + ... + 2906373.

It is an arithmetic number, because the mean of its divisors is an integer number (1079887728).

Almost surely, 2^20030172150 is an apocalyptic number.

20030172150 is an abundant number, since it is smaller than the sum of its proper divisors (31804438794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20030172150 is a wasteful number, since it uses less digits than its factorization.

20030172150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805885 (or 5805880 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

Adding to 20030172150 its reverse (5127103002), we get a palindrome (25157275152).

The spelling of 20030172150 in words is "twenty billion, thirty million, one hundred seventy-two thousand, one hundred fifty".