10203110203020 has 192 divisors, whose sum is σ = 32748430740480. Its totient is φ = 2325116040192.

The previous prime is 10203110203009. The next prime is 10203110203043. The reversal of 10203110203020 is 2030201130201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187292346 + ... + 187346814.

It is an arithmetic number, because the mean of its divisors is an integer number (170564743440).

Almost surely, 2^{10203110203020} is an apocalyptic number.

10203110203020 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 10203110203020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16374215370240).

10203110203020 is an abundant number, since it is smaller than the sum of its proper divisors (22545320537460).

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

10203110203020 is a wasteful number, since it uses less digits than its factorization.

10203110203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55824 (or 55822 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10203110203020 its reverse (2030201130201), we get a palindrome (12233311333221).

The spelling of 10203110203020 in words is "ten trillion, two hundred three billion, one hundred ten million, two hundred three thousand, twenty".