1532851020 has 96 divisors (see below), whose sum is σ = 4782758400. Its totient is φ = 407570112.

The previous prime is 1532851009. The next prime is 1532851027. The reversal of 1532851020 is 201582351.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1532851027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189907 + ... + 197813.

It is an arithmetic number, because the mean of its divisors is an integer number (49820400).

Almost surely, 2^1532851020 is an apocalyptic number.

1532851020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1532851020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2391379200).

1532851020 is an abundant number, since it is smaller than the sum of its proper divisors (3249907380).

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

1532851020 is a wasteful number, since it uses less digits than its factorization.

1532851020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284 (or 8276 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1532851020 is about 39151.6413449040. The cubic root of 1532851020 is about 1153.0106419741.

The spelling of 1532851020 in words is "one billion, five hundred thirty-two million, eight hundred fifty-one thousand, twenty".