20573414447740 has 96 divisors (see below), whose sum is σ = 53879627547648. Its totient is φ = 6410744256000.

The previous prime is 20573414447731. The next prime is 20573414447759. The reversal of 20573414447740 is 4774441437502.

It is a super-2 number, since 2×20573414447740² (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 31 ways as a sum of consecutive naturals, for example, 3833760 + ... + 7472920.

It is an arithmetic number, because the mean of its divisors is an integer number (561246120288).

Almost surely, 2^{20573414447740} is an apocalyptic number.

20573414447740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20573414447740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26939813773824).

20573414447740 is an abundant number, since it is smaller than the sum of its proper divisors (33306213099908).

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

20573414447740 is a wasteful number, since it uses less digits than its factorization.

20573414447740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642859 (or 3642857 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 52.

The spelling of 20573414447740 in words is "twenty trillion, five hundred seventy-three billion, four hundred fourteen million, four hundred forty-seven thousand, seven hundred forty".