10203010201020 has 576 divisors, whose sum is σ = 36802421300736. Its totient is φ = 2091913205760.

The previous prime is 10203010200973. The next prime is 10203010201037. The reversal of 10203010201020 is 2010201030201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10203010200987 and 10203010201005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1248681535 + ... + 1248689705.

It is an arithmetic number, because the mean of its divisors is an integer number (63893092536).

Almost surely, 2^{10203010201020} is an apocalyptic number.

10203010201020 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 10203010201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18401210650368).

10203010201020 is an abundant number, since it is smaller than the sum of its proper divisors (26599411099716).

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

10203010201020 is a wasteful number, since it uses less digits than its factorization.

10203010201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130 (or 9121 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10203010201020 its reverse (2010201030201), we get a palindrome (12213211231221).

The spelling of 10203010201020 in words is "ten trillion, two hundred three billion, ten million, two hundred one thousand, twenty".