10202010420 has 96 divisors (see below), whose sum is σ = 34566835968. Its totient is φ = 2194716672.

The previous prime is 10202010419. The next prime is 10202010421. The reversal of 10202010420 is 2401020201.

It is an interprime number because it is at equal distance from previous prime (10202010419) and next prime (10202010421).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10202010396 and 10202010405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202010421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707287 + ... + 721566.

It is an arithmetic number, because the mean of its divisors is an integer number (360071208).

Almost surely, 2^10202010420 is an apocalyptic number.

10202010420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202010420 is an abundant number, since it is smaller than the sum of its proper divisors (24364825548).

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

10202010420 is a wasteful number, since it uses less digits than its factorization.

10202010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428889 (or 1428887 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10202010420 its reverse (2401020201), we get a palindrome (12603030621).

The spelling of 10202010420 in words is "ten billion, two hundred two million, ten thousand, four hundred twenty".