1020010420 has 48 divisors (see below), whose sum is σ = 2516508288. Its totient is φ = 342380160.

The previous prime is 1020010393. The next prime is 1020010441. The reversal of 1020010420 is 240100201.

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 = 1020010397 and 1020010406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175464 + ... + 181183.

It is an arithmetic number, because the mean of its divisors is an integer number (52427256).

Almost surely, 2^1020010420 is an apocalyptic number.

1020010420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020010420 is an abundant number, since it is smaller than the sum of its proper divisors (1496497868).

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

1020010420 is a wasteful number, since it uses less digits than its factorization.

1020010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356680 (or 356678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1020010420 is about 31937.6019763538. The cubic root of 1020010420 is about 1006.6261373290.

Adding to 1020010420 its reverse (240100201), we get a palindrome (1260110621).

The spelling of 1020010420 in words is "one billion, twenty million, ten thousand, four hundred twenty".