20250633400 has 24 divisors (see below), whose sum is σ = 47082723120. Its totient is φ = 8100253280.

The previous prime is 20250633397. The next prime is 20250633433. The reversal of 20250633400 is 433605202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50626384 + ... + 50626783.

It is an arithmetic number, because the mean of its divisors is an integer number (1961780130).

Almost surely, 2^20250633400 is an apocalyptic number.

20250633400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20250633400 is an abundant number, since it is smaller than the sum of its proper divisors (26832089720).

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

20250633400 is a wasteful number, since it uses less digits than its factorization.

20250633400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101253183 (or 101253174 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The spelling of 20250633400 in words is "twenty billion, two hundred fifty million, six hundred thirty-three thousand, four hundred".