347002020 has 36 divisors (see below), whose sum is σ = 1052573340. Its totient is φ = 92533824.

The previous prime is 347002009. The next prime is 347002027. The reversal of 347002020 is 20200743.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39841344 + 307160676 = 6312^2 + 17526^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 347001984 and 347002002.

It is not an unprimeable number, because it can be changed into a prime (347002027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963715 + ... + 964074.

Almost surely, 2^347002020 is an apocalyptic number.

347002020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

347002020 is an abundant number, since it is smaller than the sum of its proper divisors (705571320).

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

347002020 is a wasteful number, since it uses less digits than its factorization.

347002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927804 (or 1927799 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 347002020 is about 18627.9902297591. The cubic root of 347002020 is about 702.7119424002.

Adding to 347002020 its reverse (20200743), we get a palindrome (367202763).

The spelling of 347002020 in words is "three hundred forty-seven million, two thousand, twenty".