20250130545 has 32 divisors (see below), whose sum is σ = 36036153600. Its totient is φ = 10789293312.

The previous prime is 20250130493. The next prime is 20250130553. The reversal of 20250130545 is 54503105202.

It is a happy number.

It is not a de Polignac number, because 20250130545 - 2¹⁰ = 20250129521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61884 + ... + 210546.

It is an arithmetic number, because the mean of its divisors is an integer number (1126129800).

Almost surely, 2^20250130545 is an apocalyptic number.

It is an amenable number.

20250130545 is a deficient number, since it is larger than the sum of its proper divisors (15786023055).

20250130545 is a wasteful number, since it uses less digits than its factorization.

20250130545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149686 (or 149680 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 20250130545 its reverse (54503105202), we get a palindrome (74753235747).

The spelling of 20250130545 in words is "twenty billion, two hundred fifty million, one hundred thirty thousand, five hundred forty-five".