3020620842 has 32 divisors (see below), whose sum is σ = 6929026560. Its totient is φ = 974393280.

The previous prime is 3020620819. The next prime is 3020620847. The reversal of 3020620842 is 2480260203.

3020620842 is a `hidden beast` number, since 30 + 2 + 0 + 620 + 8 + 4 + 2 = 666.

It is a super-2 number, since 2×3020620842² = 18248300542249577928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3020620847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900543 + ... + 903890.

It is an arithmetic number, because the mean of its divisors is an integer number (216532080).

Almost surely, 2^3020620842 is an apocalyptic number.

3020620842 is an abundant number, since it is smaller than the sum of its proper divisors (3908405718).

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

3020620842 is a wasteful number, since it uses less digits than its factorization.

3020620842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804475 (or 1804469 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 3020620842 is about 54960.1750543064. The cubic root of 3020620842 is about 1445.5465167733.

The spelling of 3020620842 in words is "three billion, twenty million, six hundred twenty thousand, eight hundred forty-two".