1020020201031 has 16 divisors (see below), whose sum is σ = 1466238179840. Its totient is φ = 627021686880.

The previous prime is 1020020201029. The next prime is 1020020201071. The reversal of 1020020201031 is 1301020200201.

It is not a de Polignac number, because 1020020201031 - 2¹ = 1020020201029 is a prime.

It is a super-2 number, since 2×1020020201031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020020200998 and 1020020201016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020020201071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14193955 + ... + 14265636.

It is an arithmetic number, because the mean of its divisors is an integer number (91639886240).

Almost surely, 2^{1020020201031} is an apocalyptic number.

1020020201031 is a deficient number, since it is larger than the sum of its proper divisors (446217978809).

1020020201031 is a wasteful number, since it uses less digits than its factorization.

1020020201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28460526.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1020020201031 its reverse (1301020200201), we get a palindrome (2321040401232).

The spelling of 1020020201031 in words is "one trillion, twenty billion, twenty million, two hundred one thousand, thirty-one".