1220671047510 has 24 divisors (see below), whose sum is σ = 3173744723760. Its totient is φ = 325512279312.

The previous prime is 1220671047509. The next prime is 1220671047559. The reversal of 1220671047510 is 157401760221.

1220671047510 is a `hidden beast` number, since 12 + 20 + 6 + 7 + 104 + 7 + 510 = 666.

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 11 ways as a sum of consecutive naturals, for example, 6781505730 + ... + 6781505909.

It is an arithmetic number, because the mean of its divisors is an integer number (132239363490).

Almost surely, 2^{1220671047510} is an apocalyptic number.

1220671047510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220671047510 is an abundant number, since it is smaller than the sum of its proper divisors (1953073676250).

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

1220671047510 is a wasteful number, since it uses less digits than its factorization.

1220671047510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13563011652 (or 13563011649 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 1220671047510 in words is "one trillion, two hundred twenty billion, six hundred seventy-one million, forty-seven thousand, five hundred ten".