10203620264220 has 192 divisors, whose sum is σ = 29191636131840. Its totient is φ = 2662496179200.

The previous prime is 10203620264219. The next prime is 10203620264221. The reversal of 10203620264220 is 2246202630201.

It is an interprime number because it is at equal distance from previous prime (10203620264219) and next prime (10203620264221).

It is a super-2 number, since 2×10203620264220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203620264221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251356125 + ... + 251396715.

It is an arithmetic number, because the mean of its divisors is an integer number (152039771520).

Almost surely, 2^{10203620264220} is an apocalyptic number.

10203620264220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10203620264220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14595818065920).

10203620264220 is an abundant number, since it is smaller than the sum of its proper divisors (18988015867620).

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

10203620264220 is a wasteful number, since it uses less digits than its factorization.

10203620264220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41156 (or 41154 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 10203620264220 its reverse (2246202630201), we get a palindrome (12449822894421).

The spelling of 10203620264220 in words is "ten trillion, two hundred three billion, six hundred twenty million, two hundred sixty-four thousand, two hundred twenty".