1529428020 has 48 divisors (see below), whose sum is σ = 4284100800. Its totient is φ = 407685376.

The previous prime is 1529428007. The next prime is 1529428027. The reversal of 1529428020 is 208249251.

It is a super-2 number, since 2×1529428020² = 4678300136722240800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1529428027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276199 + ... + 281681.

It is an arithmetic number, because the mean of its divisors is an integer number (89252100).

Almost surely, 2^1529428020 is an apocalyptic number.

1529428020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1529428020 is an abundant number, since it is smaller than the sum of its proper divisors (2754672780).

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

1529428020 is a wasteful number, since it uses less digits than its factorization.

1529428020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144 (or 10142 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1529428020 is about 39107.9022705131. The cubic root of 1529428020 is about 1152.1517420438.

The spelling of 1529428020 in words is "one billion, five hundred twenty-nine million, four hundred twenty-eight thousand, twenty".