387610020 has 72 divisors (see below), whose sum is σ = 1343719104. Its totient is φ = 88596288.

The previous prime is 387610009. The next prime is 387610021. The reversal of 387610020 is 20016783.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (387610021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152554 + ... + 155073.

Almost surely, 2^387610020 is an apocalyptic number.

387610020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

387610020 is an abundant number, since it is smaller than the sum of its proper divisors (956109084).

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

387610020 is a wasteful number, since it uses less digits than its factorization.

387610020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307649 (or 307644 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 387610020 is about 19687.8139974960. The cubic root of 387610020 is about 729.1188592910.

The spelling of 387610020 in words is "three hundred eighty-seven million, six hundred ten thousand, twenty".