20154301652 has 36 divisors (see below), whose sum is σ = 37980179580. Its totient is φ = 9354415104.

The previous prime is 20154301639. The next prime is 20154301681. The reversal of 20154301652 is 25610345102.

It can be written as a sum of positive squares in 6 ways, for example, as 1714291216 + 18440010436 = 41404^2 + 135794^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35027 + ... + 203802.

Almost surely, 2^20154301652 is an apocalyptic number.

It is an amenable number.

20154301652 is a deficient number, since it is larger than the sum of its proper divisors (17825877928).

20154301652 is a wasteful number, since it uses less digits than its factorization.

20154301652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238940 (or 238921 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 20154301652 its reverse (25610345102), we get a palindrome (45764646754).

The spelling of 20154301652 in words is "twenty billion, one hundred fifty-four million, three hundred one thousand, six hundred fifty-two".