1052432420 has 48 divisors (see below), whose sum is σ = 2505397440. Its totient is φ = 368136576.

The previous prime is 1052432399. The next prime is 1052432429. The reversal of 1052432420 is 242342501.

It is a happy number.

It is a super-2 number, since 2×1052432420² = 2215227997334112800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052432429) 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, 101582 + ... + 111461.

It is an arithmetic number, because the mean of its divisors is an integer number (52195780).

Almost surely, 2^1052432420 is an apocalyptic number.

1052432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052432420 is an abundant number, since it is smaller than the sum of its proper divisors (1452965020).

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

1052432420 is a wasteful number, since it uses less digits than its factorization.

1052432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213084 (or 213082 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1052432420 is about 32441.2148354528. The cubic root of 1052432420 is about 1017.1806095688.

Adding to 1052432420 its reverse (242342501), we get a palindrome (1294774921).

The spelling of 1052432420 in words is "one billion, fifty-two million, four hundred thirty-two thousand, four hundred twenty".