20250484156 has 24 divisors (see below), whose sum is σ = 41442853760. Its totient is φ = 8476946352.

The previous prime is 20250484151. The next prime is 20250484187. The reversal of 20250484156 is 65148405202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250484151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8408466 + ... + 8410873.

Almost surely, 2^20250484156 is an apocalyptic number.

It is an amenable number.

20250484156 is an abundant number, since it is smaller than the sum of its proper divisors (21192369604).

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

20250484156 is a wasteful number, since it uses less digits than its factorization.

20250484156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16819393 (or 16819391 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 20250484156 its reverse (65148405202), we get a palindrome (85398889358).

The spelling of 20250484156 in words is "twenty billion, two hundred fifty million, four hundred eighty-four thousand, one hundred fifty-six".