620204070 has 16 divisors (see below), whose sum is σ = 1488489840. Its totient is φ = 165387744.

The previous prime is 620204041. The next prime is 620204077. The reversal of 620204070 is 70402026.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620204077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10336705 + ... + 10336764.

It is an arithmetic number, because the mean of its divisors is an integer number (93030615).

Almost surely, 2^620204070 is an apocalyptic number.

620204070 is an abundant number, since it is smaller than the sum of its proper divisors (868285770).

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

620204070 is a wasteful number, since it uses less digits than its factorization.

620204070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673479.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 620204070 is about 24903.8966830494. The cubic root of 620204070 is about 852.7954423003.

Adding to 620204070 its reverse (70402026), we get a palindrome (690606096).

The spelling of 620204070 in words is "six hundred twenty million, two hundred four thousand, seventy".