10201001012020 has 192 divisors, whose sum is σ = 28192996048896. Its totient is φ = 3008454451200.

The previous prime is 10201001011979. The next prime is 10201001012021. The reversal of 10201001012020 is 2021010010201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10201001011988 and 10201001012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201001012021) 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, 1492749 + ... + 4757131.

It is an arithmetic number, because the mean of its divisors is an integer number (146838521088).

Almost surely, 2^{10201001012020} is an apocalyptic number.

10201001012020 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 10201001012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14096498024448).

10201001012020 is an abundant number, since it is smaller than the sum of its proper divisors (17991995036876).

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

10201001012020 is a wasteful number, since it uses less digits than its factorization.

10201001012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264530 (or 3264528 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10201001012020 its reverse (2021010010201), we get a palindrome (12222011022221).

The spelling of 10201001012020 in words is "ten trillion, two hundred one billion, one million, twelve thousand, twenty".