4020254201025 has 36 divisors (see below), whose sum is σ = 7200918226320. Its totient is φ = 2144077135200.

The previous prime is 4020254201021. The next prime is 4020254201053. The reversal of 4020254201025 is 5201024520204.

4020254201025 is a `hidden beast` number, since 4 + 0 + 202 + 5 + 420 + 10 + 25 = 666.

It is not a de Polignac number, because 4020254201025 - 2² = 4020254201021 is a prime.

It is a super-2 number, since 2×4020254201025² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4020254201025.

It is not an unprimeable number, because it can be changed into a prime (4020254201021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8769966 + ... + 9216984.

Almost surely, 2^{4020254201025} is an apocalyptic number.

4020254201025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4020254201025 is a deficient number, since it is larger than the sum of its proper divisors (3180664025295).

4020254201025 is a wasteful number, since it uses less digits than its factorization.

4020254201025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487006 (or 486998 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 4020254201025 its reverse (5201024520204), we get a palindrome (9221278721229).

The spelling of 4020254201025 in words is "four trillion, twenty billion, two hundred fifty-four million, two hundred one thousand, twenty-five".