2020454620 has 48 divisors (see below), whose sum is σ = 4278179808. Its totient is φ = 801504000.

The previous prime is 2020454617. The next prime is 2020454633. The reversal of 2020454620 is 264540202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389814 + ... + 1391266.

It is an arithmetic number, because the mean of its divisors is an integer number (89128746).

Almost surely, 2^2020454620 is an apocalyptic number.

2020454620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020454620 is an abundant number, since it is smaller than the sum of its proper divisors (2257725188).

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

2020454620 is a wasteful number, since it uses less digits than its factorization.

2020454620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2020454620 is about 44949.4674050761. The cubic root of 2020454620 is about 1264.2016907965.

Adding to 2020454620 its reverse (264540202), we get a palindrome (2284994822).

The spelling of 2020454620 in words is "two billion, twenty million, four hundred fifty-four thousand, six hundred twenty".