103020362550 has 144 divisors (see below), whose sum is σ = 316432247040. Its totient is φ = 23539273920.

The previous prime is 103020362503. The next prime is 103020362563. The reversal of 103020362550 is 55263020301.

103020362550 is a `hidden beast` number, since 1 + 0 + 30 + 2 + 0 + 3 + 625 + 5 + 0 = 666.

It is a super-2 number, since 2×103020362550² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17520511 + ... + 17526389.

It is an arithmetic number, because the mean of its divisors is an integer number (2197446160).

Almost surely, 2^103020362550 is an apocalyptic number.

103020362550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103020362550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158216123520).

103020362550 is an abundant number, since it is smaller than the sum of its proper divisors (213411884490).

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

103020362550 is a wasteful number, since it uses less digits than its factorization.

103020362550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11467 (or 11459 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 103020362550 its reverse (55263020301), we get a palindrome (158283382851).

The spelling of 103020362550 in words is "one hundred three billion, twenty million, three hundred sixty-two thousand, five hundred fifty".