1402311001020 has 96 divisors (see below), whose sum is σ = 3980897663232. Its totient is φ = 368767738368.

The previous prime is 1402311001009. The next prime is 1402311001031. The reversal of 1402311001020 is 201001132041.

It is an interprime number because it is at equal distance from previous prime (1402311001009) and next prime (1402311001031).

It is a super-3 number, since 3×1402311001020³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31702239 + ... + 31746441.

It is an arithmetic number, because the mean of its divisors is an integer number (41467683992).

Almost surely, 2^{1402311001020} is an apocalyptic number.

1402311001020 is a gapful number since it is divisible by the number (10) 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 1402311001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1990448831616).

1402311001020 is an abundant number, since it is smaller than the sum of its proper divisors (2578586662212).

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

1402311001020 is a wasteful number, since it uses less digits than its factorization.

1402311001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51531 (or 51529 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1402311001020 its reverse (201001132041), we get a palindrome (1603312133061).

The spelling of 1402311001020 in words is "one trillion, four hundred two billion, three hundred eleven million, one thousand, twenty".