2020542 has 8 divisors (see below), whose sum is σ = 4041096. Its totient is φ = 673512.

The previous prime is 2020537. The next prime is 2020547. The reversal of 2020542 is 2450202.

It is an interprime number because it is at equal distance from previous prime (2020537) and next prime (2020547).

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

2020542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020547) 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, 168373 + ... + 168384.

It is an arithmetic number, because the mean of its divisors is an integer number (505137).

2^2020542 is an apocalyptic number.

2020542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2020542 is a wasteful number, since it uses less digits than its factorization.

2020542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336762.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2020542 is about 1421.4577025012. The cubic root of 2020542 is about 126.4219915136.

Adding to 2020542 its reverse (2450202), we get a palindrome (4470744).

The spelling of 2020542 in words is "two million, twenty thousand, five hundred forty-two".