20154044034 has 48 divisors (see below), whose sum is σ = 46252926720. Its totient is φ = 6320488320.

The previous prime is 20154044003. The next prime is 20154044063. The reversal of 20154044034 is 43044045102.

It is a happy number.

20154044034 is a `hidden beast` number, since 201 + 54 + 0 + 4 + 403 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20154043989 and 20154044007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 931479 + ... + 952869.

It is an arithmetic number, because the mean of its divisors is an integer number (963602640).

Almost surely, 2^20154044034 is an apocalyptic number.

20154044034 is an abundant number, since it is smaller than the sum of its proper divisors (26098882686).

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

20154044034 is a wasteful number, since it uses less digits than its factorization.

20154044034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24495 (or 24492 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20154044034 its reverse (43044045102), we get a palindrome (63198089136).

The spelling of 20154044034 in words is "twenty billion, one hundred fifty-four million, forty-four thousand, thirty-four".