620745430580 has 24 divisors (see below), whose sum is σ = 1422071350560. Its totient is φ = 225725611040.

The previous prime is 620745430579. The next prime is 620745430583. The reversal of 620745430580 is 85034547026.

It is a super-3 number, since 3×620745430580³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620745430583) 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, 1410784850 + ... + 1410785289.

It is an arithmetic number, because the mean of its divisors is an integer number (59252972940).

Almost surely, 2^620745430580 is an apocalyptic number.

It is an amenable number.

620745430580 is an abundant number, since it is smaller than the sum of its proper divisors (801325919980).

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

620745430580 is a wasteful number, since it uses less digits than its factorization.

620745430580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821570159 (or 2821570157 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 620745430580 in words is "six hundred twenty billion, seven hundred forty-five million, four hundred thirty thousand, five hundred eighty".