20935483425 has 192 divisors, whose sum is σ = 42383001600. Its totient is φ = 10085990400.

The previous prime is 20935483411. The next prime is 20935483441. The reversal of 20935483425 is 52438453902.

It is not a de Polignac number, because 20935483425 - 2⁷ = 20935483297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 81460897 + ... + 81461153.

It is an arithmetic number, because the mean of its divisors is an integer number (220744800).

Almost surely, 2^20935483425 is an apocalyptic number.

20935483425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20935483425 is an abundant number, since it is smaller than the sum of its proper divisors (21447518175).

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

20935483425 is a wasteful number, since it uses less digits than its factorization.

20935483425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 20935483425 in words is "twenty billion, nine hundred thirty-five million, four hundred eighty-three thousand, four hundred twenty-five".