20010541404 has 72 divisors (see below), whose sum is σ = 55577520768. Its totient is φ = 5584330080.

The previous prime is 20010541387. The next prime is 20010541409. The reversal of 20010541404 is 40414501002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010541409) 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, 370432 + ... + 420999.

Almost surely, 2^20010541404 is an apocalyptic number.

It is an amenable number.

20010541404 is an abundant number, since it is smaller than the sum of its proper divisors (35566979364).

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

20010541404 is a wasteful number, since it uses less digits than its factorization.

20010541404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791495 (or 791486 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The spelling of 20010541404 in words is "twenty billion, ten million, five hundred forty-one thousand, four hundred four".