10201012100020 has 24 divisors (see below), whose sum is σ = 24482429040384. Its totient is φ = 3497489862816.

The previous prime is 10201012099961. The next prime is 10201012100021. The reversal of 10201012100020 is 2000121010201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201012100021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36432185932 + ... + 36432186211.

It is an arithmetic number, because the mean of its divisors is an integer number (1020101210016).

Almost surely, 2^{10201012100020} is an apocalyptic number.

10201012100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201012100020 is an abundant number, since it is smaller than the sum of its proper divisors (14281416940364).

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

10201012100020 is a wasteful number, since it uses less digits than its factorization.

10201012100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72864372159 (or 72864372157 counting only the distinct ones).

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

Adding to 10201012100020 its reverse (2000121010201), we get a palindrome (12201133110221).

The spelling of 10201012100020 in words is "ten trillion, two hundred one billion, twelve million, one hundred thousand, twenty".