20154153404 has 48 divisors (see below), whose sum is σ = 46287064320. Its totient is φ = 7438988160.

The previous prime is 20154153391. The next prime is 20154153421. The reversal of 20154153404 is 40435145102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1716137 + ... + 1727840.

It is an arithmetic number, because the mean of its divisors is an integer number (964313840).

Almost surely, 2^20154153404 is an apocalyptic number.

It is an amenable number.

20154153404 is an abundant number, since it is smaller than the sum of its proper divisors (26132910916).

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

20154153404 is a wasteful number, since it uses less digits than its factorization.

20154153404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444018 (or 3444016 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 20154153404 its reverse (40435145102), we get a palindrome (60589298506).

The spelling of 20154153404 in words is "twenty billion, one hundred fifty-four million, one hundred fifty-three thousand, four hundred four".