2140120020 has 48 divisors (see below), whose sum is σ = 5995499328. Its totient is φ = 570397440.

The previous prime is 2140119979. The next prime is 2140120027. The reversal of 2140120020 is 200210412.

It is a super-2 number, since 2×2140120020² = 9160227400009600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2140119978 and 2140120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140120027) 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, 119875 + ... + 136565.

It is an arithmetic number, because the mean of its divisors is an integer number (124906236).

Almost surely, 2^2140120020 is an apocalyptic number.

2140120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140120020 is an abundant number, since it is smaller than the sum of its proper divisors (3855379308).

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

2140120020 is a wasteful number, since it uses less digits than its factorization.

2140120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18840 (or 18838 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2140120020 is about 46261.4312359659. The cubic root of 2140120020 is about 1288.6828331855.

Adding to 2140120020 its reverse (200210412), we get a palindrome (2340330432).

The spelling of 2140120020 in words is "two billion, one hundred forty million, one hundred twenty thousand, twenty".