1102020120 has 64 divisors (see below), whose sum is σ = 3673404000. Its totient is φ = 293871744.

The previous prime is 1102020109. The next prime is 1102020131. The reversal of 1102020120 is 210202011.

1102020120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1102020109) and next prime (1102020131).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509115 + ... + 511274.

Almost surely, 2^1102020120 is an apocalyptic number.

1102020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102020120 is an abundant number, since it is smaller than the sum of its proper divisors (2571383880).

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

1102020120 is a wasteful number, since it uses less digits than its factorization.

1102020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020409 (or 1020399 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1102020120 is about 33196.6883890547. The cubic root of 1102020120 is about 1032.9116471101.

Adding to 1102020120 its reverse (210202011), we get a palindrome (1312222131).

The spelling of 1102020120 in words is "one billion, one hundred two million, twenty thousand, one hundred twenty".