20453632377724 has 24 divisors (see below), whose sum is σ = 44053977429728. Its totient is φ = 8091546874560.

The previous prime is 20453632377667. The next prime is 20453632377839. The reversal of 20453632377724 is 42777323635402.

It is a super-2 number, since 2×20453632377724² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28095648507 + ... + 28095649234.

Almost surely, 2^{20453632377724} is an apocalyptic number.

It is an amenable number.

20453632377724 is an abundant number, since it is smaller than the sum of its proper divisors (23600345052004).

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

20453632377724 is a wasteful number, since it uses less digits than its factorization.

20453632377724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56191297765 (or 56191297763 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 55.

The spelling of 20453632377724 in words is "twenty trillion, four hundred fifty-three billion, six hundred thirty-two million, three hundred seventy-seven thousand, seven hundred twenty-four".