10101372020 has 12 divisors (see below), whose sum is σ = 21212881284. Its totient is φ = 4040548800.

The previous prime is 10101372013. The next prime is 10101372067. The reversal of 10101372020 is 2027310101.

It can be written as a sum of positive squares in 2 ways, for example, as 2094343696 + 8007028324 = 45764^2 + 89482^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10101372020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252534281 + ... + 252534320.

It is an arithmetic number, because the mean of its divisors is an integer number (1767740107).

Almost surely, 2^10101372020 is an apocalyptic number.

10101372020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101372020 is an abundant number, since it is smaller than the sum of its proper divisors (11111509264).

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

10101372020 is a wasteful number, since it uses less digits than its factorization.

10101372020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505068610 (or 505068608 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 10101372020 its reverse (2027310101), we get a palindrome (12128682121).

The spelling of 10101372020 in words is "ten billion, one hundred one million, three hundred seventy-two thousand, twenty".