20020425031 has 8 divisors (see below), whose sum is σ = 20132370720. Its totient is φ = 19908583968.

The previous prime is 20020425017. The next prime is 20020425059. The reversal of 20020425031 is 13052402002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20020425031 - 2⁹ = 20020424519 is a prime.

It is a super-2 number, since 2×20020425031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020425011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374670 + ... + 424756.

It is an arithmetic number, because the mean of its divisors is an integer number (2516546340).

Almost surely, 2^20020425031 is an apocalyptic number.

20020425031 is a deficient number, since it is larger than the sum of its proper divisors (111945689).

20020425031 is a wasteful number, since it uses less digits than its factorization.

20020425031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52313.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20020425031 its reverse (13052402002), we get a palindrome (33072827033).

The spelling of 20020425031 in words is "twenty billion, twenty million, four hundred twenty-five thousand, thirty-one".