20652632053740 has 72 divisors (see below), whose sum is σ = 62647553557680. Its totient is φ = 5507259859584.

The previous prime is 20652632053717. The next prime is 20652632053747. The reversal of 20652632053740 is 4735023625602.

20652632053740 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 2 + 632 + 0 + 5 + 3 + 7 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (20652632053747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8228382 + ... + 10440858.

Almost surely, 2^{20652632053740} is an apocalyptic number.

20652632053740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20652632053740 is an abundant number, since it is smaller than the sum of its proper divisors (41994921503940).

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

20652632053740 is a wasteful number, since it uses less digits than its factorization.

20652632053740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264351 (or 2264346 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 20652632053740 in words is "twenty trillion, six hundred fifty-two billion, six hundred thirty-two million, fifty-three thousand, seven hundred forty".