10101000420 has 144 divisors (see below), whose sum is σ = 35043660288. Its totient is φ = 2307029760.

The previous prime is 10101000397. The next prime is 10101000439. The reversal of 10101000420 is 2400010101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2362885 + ... + 2367155.

It is an arithmetic number, because the mean of its divisors is an integer number (243358752).

Almost surely, 2^10101000420 is an apocalyptic number.

10101000420 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 10101000420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17521830144).

10101000420 is an abundant number, since it is smaller than the sum of its proper divisors (24942659868).

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

10101000420 is a wasteful number, since it uses less digits than its factorization.

10101000420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170 (or 6165 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10101000420 its reverse (2400010101), we get a palindrome (12501010521).

The spelling of 10101000420 in words is "ten billion, one hundred one million, four hundred twenty", and thus it is an aban number.