247035063420 has 36 divisors (see below), whose sum is σ = 749339692920. Its totient is φ = 65876016864.

The previous prime is 247035063383. The next prime is 247035063463. The reversal of 247035063420 is 24360530742.

247035063420 is a `hidden beast` number, since 247 + 0 + 350 + 63 + 4 + 2 + 0 = 666.

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

It is a super-2 number, since 2×247035063420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686208330 + ... + 686208689.

It is an arithmetic number, because the mean of its divisors is an integer number (20814991470).

Almost surely, 2^247035063420 is an apocalyptic number.

247035063420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247035063420 is an abundant number, since it is smaller than the sum of its proper divisors (502304629500).

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

247035063420 is a wasteful number, since it uses less digits than its factorization.

247035063420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372417034 (or 1372417029 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 247035063420 in words is "two hundred forty-seven billion, thirty-five million, sixty-three thousand, four hundred twenty".