20101301020 has 24 divisors (see below), whose sum is σ = 42216232464. Its totient is φ = 8039853696.

The previous prime is 20101300997. The next prime is 20101301023. The reversal of 20101301020 is 2010310102.

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 = 20101300988 and 20101301006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101301023) 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, 258184 + ... + 326896.

It is an arithmetic number, because the mean of its divisors is an integer number (1759009686).

Almost surely, 2^20101301020 is an apocalyptic number.

20101301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101301020 is an abundant number, since it is smaller than the sum of its proper divisors (22114931444).

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

20101301020 is a wasteful number, since it uses less digits than its factorization.

20101301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83349 (or 83347 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20101301020 its reverse (2010310102), we get a palindrome (22111611122).

The spelling of 20101301020 in words is "twenty billion, one hundred one million, three hundred one thousand, twenty".