20154413052 has 18 divisors (see below), whose sum is σ = 50945877528. Its totient is φ = 6718137672.

The previous prime is 20154413047. The next prime is 20154413057. The reversal of 20154413052 is 25031445102.

It is an interprime number because it is at equal distance from previous prime (20154413047) and next prime (20154413057).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154413057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279922368 + ... + 279922439.

Almost surely, 2^20154413052 is an apocalyptic number.

It is an amenable number.

20154413052 is an abundant number, since it is smaller than the sum of its proper divisors (30791464476).

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

20154413052 is a wasteful number, since it uses less digits than its factorization.

20154413052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559844817 (or 559844812 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20154413052 its reverse (25031445102), we get a palindrome (45185858154).

The spelling of 20154413052 in words is "twenty billion, one hundred fifty-four million, four hundred thirteen thousand, fifty-two".