20254725 has 48 divisors (see below), whose sum is σ = 38261440. Its totient is φ = 10497600.

The previous prime is 20254723. The next prime is 20254733. The reversal of 20254725 is 52745202.

It is not a de Polignac number, because 20254725 - 2¹ = 20254723 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20254723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24570 + ... + 25380.

Almost surely, 2^20254725 is an apocalyptic number.

20254725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20254725 is a deficient number, since it is larger than the sum of its proper divisors (18006715).

20254725 is a wasteful number, since it uses less digits than its factorization.

20254725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 20254725 is about 4500.5249693786. The cubic root of 20254725 is about 272.5892870164.

Adding to 20254725 its reverse (52745202), we get a palindrome (72999927).

It can be divided in two parts, 2025 and 4725, that multiplied together give a triangular number (9568125 = T₄₃₇₄).

The spelling of 20254725 in words is "twenty million, two hundred fifty-four thousand, seven hundred twenty-five".