1495660020 has 24 divisors (see below), whose sum is σ = 4187848224. Its totient is φ = 398842656.

The previous prime is 1495660009. The next prime is 1495660027. The reversal of 1495660020 is 200665941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1495660027) 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, 12463774 + ... + 12463893.

It is an arithmetic number, because the mean of its divisors is an integer number (174493676).

Almost surely, 2^1495660020 is an apocalyptic number.

1495660020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1495660020 is an abundant number, since it is smaller than the sum of its proper divisors (2692188204).

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

1495660020 is a wasteful number, since it uses less digits than its factorization.

1495660020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24927679 (or 24927677 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1495660020 is about 38673.7639750775. The cubic root of 1495660020 is about 1143.6091678848.

The spelling of 1495660020 in words is "one billion, four hundred ninety-five million, six hundred sixty thousand, twenty".