20270894601720 has 64 divisors (see below), whose sum is σ = 69500210065920. Its totient is φ = 4633347337344.

The previous prime is 20270894601631. The next prime is 20270894601743. The reversal of 20270894601720 is 2710649807202.

It is a self number, because there is not a number n which added to its sum of digits gives 20270894601720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12066007852 + ... + 12066009531.

It is an arithmetic number, because the mean of its divisors is an integer number (1085940782280).

Almost surely, 2^{20270894601720} is an apocalyptic number.

20270894601720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20270894601720 is an abundant number, since it is smaller than the sum of its proper divisors (49229315464200).

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

20270894601720 is a wasteful number, since it uses less digits than its factorization.

20270894601720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24132017404 (or 24132017400 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 20270894601720 in words is "twenty trillion, two hundred seventy billion, eight hundred ninety-four million, six hundred one thousand, seven hundred twenty".