2020400511 has 8 divisors (see below), whose sum is σ = 2835649920. Its totient is φ = 1276042392.

The previous prime is 2020400489. The next prime is 2020400519. The reversal of 2020400511 is 1150040202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020400511 - 2⁹ = 2020399999 is a prime.

It is a super-2 number, since 2×2020400511² = 8164036449698122242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020400519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17722755 + ... + 17722868.

It is an arithmetic number, because the mean of its divisors is an integer number (354456240).

Almost surely, 2^2020400511 is an apocalyptic number.

2020400511 is a deficient number, since it is larger than the sum of its proper divisors (815249409).

2020400511 is a wasteful number, since it uses less digits than its factorization.

2020400511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35445645.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2020400511 is about 44948.8655140483. The cubic root of 2020400511 is about 1264.1904053331.

Adding to 2020400511 its reverse (1150040202), we get a palindrome (3170440713).

The spelling of 2020400511 in words is "two billion, twenty million, four hundred thousand, five hundred eleven".