2020150551 has 4 divisors (see below), whose sum is σ = 2693534072. Its totient is φ = 1346767032.

The previous prime is 2020150549. The next prime is 2020150577. The reversal of 2020150551 is 1550510202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2020150551 - 2¹ = 2020150549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020150051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336691756 + ... + 336691761.

It is an arithmetic number, because the mean of its divisors is an integer number (673383518).

Almost surely, 2^2020150551 is an apocalyptic number.

2020150551 is a deficient number, since it is larger than the sum of its proper divisors (673383521).

2020150551 is an equidigital number, since it uses as much as digits as its factorization.

2020150551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673383520.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2020150551 is about 44946.0849351754. The cubic root of 2020150551 is about 1264.1382687948.

Adding to 2020150551 its reverse (1550510202), we get a palindrome (3570660753).

The spelling of 2020150551 in words is "two billion, twenty million, one hundred fifty thousand, five hundred fifty-one".