20457382442270 has 64 divisors (see below), whose sum is σ = 37346094213120. Its totient is φ = 8067098976768.

The previous prime is 20457382442269. The next prime is 20457382442291. The reversal of 20457382442270 is 7224428375402.

It is a congruent number.

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, 1519519559 + ... + 1519533021.

It is an arithmetic number, because the mean of its divisors is an integer number (583532722080).

Almost surely, 2^{20457382442270} is an apocalyptic number.

20457382442270 is a deficient number, since it is larger than the sum of its proper divisors (16888711770850).

20457382442270 is a wasteful number, since it uses less digits than its factorization.

20457382442270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16329.

The product of its (nonzero) digits is 6021120, while the sum is 50.

The spelling of 20457382442270 in words is "twenty trillion, four hundred fifty-seven billion, three hundred eighty-two million, four hundred forty-two thousand, two hundred seventy".