20014250256 has 640 divisors, whose sum is σ = 79674900480. Its totient is φ = 4640716800.

The previous prime is 20014250231. The next prime is 20014250273. The reversal of 20014250256 is 65205241002.

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 127 ways as a sum of consecutive naturals, for example, 13404646 + ... + 13406138.

It is an arithmetic number, because the mean of its divisors is an integer number (124492032).

Almost surely, 2^20014250256 is an apocalyptic number.

20014250256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20014250256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39837450240).

20014250256 is an abundant number, since it is smaller than the sum of its proper divisors (59660650224).

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

20014250256 is a wasteful number, since it uses less digits than its factorization.

20014250256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20014250256 its reverse (65205241002), we get a palindrome (85219491258).

The spelling of 20014250256 in words is "twenty billion, fourteen million, two hundred fifty thousand, two hundred fifty-six".