355534431442020 has 72 divisors (see below), whose sum is σ = 1118397199168704. Its totient is φ = 94809181716576.

The previous prime is 355534431442019. The next prime is 355534431442037. The reversal of 355534431442020 is 20244134435553.

355534431442020 is a `hidden beast` number, since 3 + 5 + 5 + 5 + 3 + 4 + 431 + 4 + 4 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36577611544 + ... + 36577621263.

Almost surely, 2^{355534431442020} is an apocalyptic number.

355534431442020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355534431442020 is an abundant number, since it is smaller than the sum of its proper divisors (762862767726684).

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

355534431442020 is a wasteful number, since it uses less digits than its factorization.

355534431442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73155232831 (or 73155232817 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

Adding to 355534431442020 its reverse (20244134435553), we get a palindrome (375778565877573).

The spelling of 355534431442020 in words is "three hundred fifty-five trillion, five hundred thirty-four billion, four hundred thirty-one million, four hundred forty-two thousand, twenty".