1532020020 has 48 divisors (see below), whose sum is σ = 4292127168. Its totient is φ = 408303360.

The previous prime is 1532020003. The next prime is 1532020069. The reversal of 1532020020 is 200202351.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114312 + ... + 127008.

It is an arithmetic number, because the mean of its divisors is an integer number (89419316).

Almost surely, 2^1532020020 is an apocalyptic number.

1532020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532020020 is an abundant number, since it is smaller than the sum of its proper divisors (2760107148).

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

1532020020 is a wasteful number, since it uses less digits than its factorization.

1532020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14720 (or 14718 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1532020020 is about 39141.0273242796. The cubic root of 1532020020 is about 1152.8022448914.

Adding to 1532020020 its reverse (200202351), we get a palindrome (1732222371).

The spelling of 1532020020 in words is "one billion, five hundred thirty-two million, twenty thousand, twenty".