2020742 has 8 divisors (see below), whose sum is σ = 3101736. Its totient is φ = 986832.

The previous prime is 2020729. The next prime is 2020771. The reversal of 2020742 is 2470202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2020742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11663 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (387717).

2^2020742 is an apocalyptic number.

2020742 is a deficient number, since it is larger than the sum of its proper divisors (1080994).

2020742 is a wasteful number, since it uses less digits than its factorization.

2020742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23542.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 2020742 is about 1421.5280510774. The cubic root of 2020742 is about 126.4261625997.

Adding to 2020742 its reverse (2470202), we get a palindrome (4490944).

The spelling of 2020742 in words is "two million, twenty thousand, seven hundred forty-two".