20247504605042 has 48 divisors (see below), whose sum is σ = 35954064666240. Its totient is φ = 8494785969120.

The previous prime is 20247504604997. The next prime is 20247504605059. The reversal of 20247504605042 is 24050640574202.

It is a super-2 number, since 2×20247504605042² (a number of 27 digits) contains 22 as substring.

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, 40659959 + ... + 41154917.

It is an arithmetic number, because the mean of its divisors is an integer number (749043013880).

Almost surely, 2^{20247504605042} is an apocalyptic number.

20247504605042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20247504605042 is a deficient number, since it is larger than the sum of its proper divisors (15706560061198).

20247504605042 is a wasteful number, since it uses less digits than its factorization.

20247504605042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507999 (or 507988 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 41.

The spelling of 20247504605042 in words is "twenty trillion, two hundred forty-seven billion, five hundred four million, six hundred five thousand, forty-two".