5405000020 has 48 divisors (see below), whose sum is σ = 13017932928. Its totient is φ = 1846581120.

The previous prime is 5405000011. The next prime is 5405000021. The reversal of 5405000020 is 200005045.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5404999958 and 5405000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28591 + ... + 107830.

It is an arithmetic number, because the mean of its divisors is an integer number (271206936).

Almost surely, 2^5405000020 is an apocalyptic number.

It is an amenable number.

5405000020 is an abundant number, since it is smaller than the sum of its proper divisors (7612932908).

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

5405000020 is a wasteful number, since it uses less digits than its factorization.

5405000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136720 (or 136718 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 5405000020 is about 73518.7052388710. The cubic root of 5405000020 is about 1754.9519628196.

Adding to 5405000020 its reverse (200005045), we get a palindrome (5605005065).

The spelling of 5405000020 in words is "five billion, four hundred five million, twenty", and thus it is an aban number.