2030400020 has 24 divisors (see below), whose sum is σ = 4651462368. Its totient is φ = 738327200.

The previous prime is 2030400017. The next prime is 2030400037. The reversal of 2030400020 is 200040302.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a junction number, because it is equal to n+sod(n) for n = 2030399974 and 2030400010.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4614326 + ... + 4614765.

It is an arithmetic number, because the mean of its divisors is an integer number (193810932).

Almost surely, 2^2030400020 is an apocalyptic number.

2030400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030400020 is an abundant number, since it is smaller than the sum of its proper divisors (2621062348).

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

2030400020 is a wasteful number, since it uses less digits than its factorization.

2030400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229111 (or 9229109 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2030400020 is about 45059.9602751711. The cubic root of 2030400020 is about 1266.2725808518.

Adding to 2030400020 its reverse (200040302), we get a palindrome (2230440322).

The spelling of 2030400020 in words is "two billion, thirty million, four hundred thousand, twenty".