1352431363220 has 48 divisors (see below), whose sum is σ = 3245966656128. Its totient is φ = 463671984000.

The previous prime is 1352431363219. The next prime is 1352431363271. The reversal of 1352431363220 is 223631342531.

It is a super-2 number, since 2×1352431363220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3527879 + ... + 3892401.

It is an arithmetic number, because the mean of its divisors is an integer number (67624305336).

Almost surely, 2^{1352431363220} is an apocalyptic number.

1352431363220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352431363220 is an abundant number, since it is smaller than the sum of its proper divisors (1893535292908).

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

1352431363220 is a wasteful number, since it uses less digits than its factorization.

1352431363220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391040 (or 391038 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 1352431363220 in words is "one trillion, three hundred fifty-two billion, four hundred thirty-one million, three hundred sixty-three thousand, two hundred twenty".