20477034574 has 8 divisors (see below), whose sum is σ = 30760004808. Its totient is φ = 10223699640.

The previous prime is 20477034563. The next prime is 20477034607. The reversal of 20477034574 is 47543077402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20477034574² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20477034574.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7407097 + ... + 7409860.

It is an arithmetic number, because the mean of its divisors is an integer number (3845000601).

Almost surely, 2^20477034574 is an apocalyptic number.

20477034574 is a deficient number, since it is larger than the sum of its proper divisors (10282970234).

20477034574 is a wasteful number, since it uses less digits than its factorization.

20477034574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14817650.

The product of its (nonzero) digits is 658560, while the sum is 43.

The spelling of 20477034574 in words is "twenty billion, four hundred seventy-seven million, thirty-four thousand, five hundred seventy-four".