620151380 has 24 divisors (see below), whose sum is σ = 1312264800. Its totient is φ = 246165920.

The previous prime is 620151379. The next prime is 620151391. The reversal of 620151380 is 83151026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115730 + ... + 120969.

It is an arithmetic number, because the mean of its divisors is an integer number (54677700).

Almost surely, 2^620151380 is an apocalyptic number.

It is an amenable number.

620151380 is an abundant number, since it is smaller than the sum of its proper divisors (692113420).

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

620151380 is a wasteful number, since it uses less digits than its factorization.

620151380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236839 (or 236837 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 620151380 is about 24902.8387940010. The cubic root of 620151380 is about 852.7712916127.

The spelling of 620151380 in words is "six hundred twenty million, one hundred fifty-one thousand, three hundred eighty".