20247510376740 has 96 divisors (see below), whose sum is σ = 56757899390976. Its totient is φ = 5393159397760.

The previous prime is 20247510376679. The next prime is 20247510376813. The reversal of 20247510376740 is 4767301574202.

It is a self number, because there is not a number n which added to its sum of digits gives 20247510376740.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610013545 + ... + 610046735.

It is an arithmetic number, because the mean of its divisors is an integer number (591228118656).

Almost surely, 2^{20247510376740} is an apocalyptic number.

20247510376740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20247510376740 is an abundant number, since it is smaller than the sum of its proper divisors (36510389014236).

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

20247510376740 is a wasteful number, since it uses less digits than its factorization.

20247510376740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44529 (or 44527 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 20247510376740 in words is "twenty trillion, two hundred forty-seven billion, five hundred ten million, three hundred seventy-six thousand, seven hundred forty".