20574094629820 has 24 divisors (see below), whose sum is σ = 45479577603600. Its totient is φ = 7796499017472.

The previous prime is 20574094629743. The next prime is 20574094629827. The reversal of 20574094629820 is 2892649047502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20574094629827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27071176765 + ... + 27071177524.

It is an arithmetic number, because the mean of its divisors is an integer number (1894982400150).

Almost surely, 2^{20574094629820} is an apocalyptic number.

20574094629820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20574094629820 is an abundant number, since it is smaller than the sum of its proper divisors (24905482973780).

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

20574094629820 is a wasteful number, since it uses less digits than its factorization.

20574094629820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54142354317 (or 54142354315 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 20574094629820 in words is "twenty trillion, five hundred seventy-four billion, ninety-four million, six hundred twenty-nine thousand, eight hundred twenty".