2401021020 has 48 divisors (see below), whose sum is σ = 6904564128. Its totient is φ = 622967040.

The previous prime is 2401021019. The next prime is 2401021067. The reversal of 2401021020 is 201201042.

2401021020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2401020987 and 2401021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538551 + ... + 542990.

It is an arithmetic number, because the mean of its divisors is an integer number (143845086).

Almost surely, 2^2401021020 is an apocalyptic number.

2401021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2401021020 is an abundant number, since it is smaller than the sum of its proper divisors (4503543108).

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

2401021020 is a wasteful number, since it uses less digits than its factorization.

2401021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081590 (or 1081588 counting only the distinct ones).

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

The square root of 2401021020 is about 49000.2144893265. The cubic root of 2401021020 is about 1339.0557355885.

Adding to 2401021020 its reverse (201201042), we get a palindrome (2602222062).

The spelling of 2401021020 in words is "two billion, four hundred one million, twenty-one thousand, twenty".